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The Thomas Register of American Manufacturers, now Thomas,[1] is an online platform for supplier discovery and product sourcing in the US and Canada. It was once known as the "big green books" and "Thomas Registry", and was a multi-volume directory of industrial product information covering distributors, manufacturers and service companies[2] within thousands[3] of industrial categories that is now published on Thomasnet.

Key Information

History

[edit]

The books were first published in 1898[4] by Harvey Mark Thomas as Hardware and Kindred Trades. In their heyday, Thomas Register of American Manufacturers was a 34-volume, 3 section buying guide offering sourcing information on industrial products and services, along with comprehensive specifications and detailed product information from thousands of manufacturers. [5]

The Thomas Regional Directory Company began as a division of Thomas Publishing in 1976.[6] Thomas Regional Regional Industrial Buying Guides[7] provided information in print and on CD-ROM, on local OEMs, distributors, MRO services and other custom manufacturing services in 19 regional editions covering much of the United States. Thomas Register and Thomas Regional were available online from the mid 1990s. The company stopped publishing its print products in 2006.

Thomas moved its database online as Thomasnet, published and maintained by Thomas Industrial Network, one of Thomas’ five business units. Thomasnet has expanded to provide not only product and company information, but also online catalogs, computer-aided design (CAD) drawings, news, press releases and blogs.

In December 2021, Thomas was acquired by Xometry.[8]

Thomasnet

[edit]

Thomasnet is an information and technology company based in New York City.[4] In April 2006 the New York Public Library named Thomasnet.com as one of its 25 Best of Reference sources for the reference librarian, and is currently listed in their Best of the Web list for Industry Information.

Since November 2010, Thomasnet has been a founding partner of GlobalTrade.net, a marketplace for international trade service providers.

Thomasnet News

[edit]

Thomasnet News is a product of Thomas Publishing Company, LLC. Thomasnet News was introduced with “the mission of delivering timely, new industrial product information covering the whole range of products …” It manually reviews press releases submitted through the website and publishes with a small description in one of 51 different categories.

In 2000, Thomasnet News released Industry Market Trends (IMT), its first Journal.[9] In the IMT, editors published editorials, interviews, and long form journalism on issues ranging from career skills, developments in the industry, and discussions with leading experts. Soon after, IMT Green & Clean was launched in response to the growing interest in green technology and its impact on the world. In 2011, the IMT Machining Journal was launched followed by the IMT Fluid & Gas Flow Journal, the IMT Career Journal, and the IMT Procurement Journal.

Research

[edit]

Starting in 2010, Thomasnet began reaching out to its database of manufacturers to get a better understanding of where the community was, where their shortcomings were, and where they saw the landscape going in the future. This yearly survey is called the Industry Market Barometer.[10]

References

[edit]
Revisions and contributorsEdit on WikipediaRead on Wikipedia

Thomas Register

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from Grokipedia
The Thomas Register, formally known as the Thomas Register of American Manufacturers, is a pioneering industrial directory that has served as a comprehensive catalog of suppliers, manufacturers, and products for the North American manufacturing sector since its inception in 1905. Originally published in multi-volume printed editions by the Thomas Publishing Company, it provided detailed listings of industrial , services, and company profiles to facilitate buyer-supplier connections, evolving into a digital platform called Thomasnet by the mid-1990s. Acquired by in 2021, it remains a vital resource for product sourcing, , and in the industrial marketplace. The Thomas Publishing Company, founded in 1898 by Harvey Mark Thomas in , initially focused on trade references like the American Grocery Trades Reference Book before launching the flagship Thomas Register seven years later as a response to growing demand for reliable industrial sourcing information. By , the directory had expanded to include innovations such as product news tabloids via publications like Industry Equipment News, and in 1969, it incorporated a dedicated catalog section known as ThomCat to enhance usability. The printed editions, often recognized as the iconic "big green books," reached up to 36 volumes by the late 1990s, boasting 100% paid circulation and covering thousands of product categories from machinery to raw materials. As digital technologies advanced, Thomas Publishing digitized the Register starting in 1984 through online databases like Dialog, followed by releases in 1993 and full accessibility in 1995, marking the transition to Thomasnet.com as an interactive supplier discovery platform. The final printed edition was published in 2006, after which the service became exclusively online, integrating features like verified supplier profiles, product catalogs, and tools to support modern B2B buying processes. Today, under Xometry's ownership, Thomasnet connects over 500,000 suppliers with buyers, emphasizing data-driven insights, AI-enhanced search, and , while upholding its legacy of promoting American manufacturing.

History

Founding and Early Development

The Thomas Publishing Company was founded in 1898 by Harvey Mark Thomas in , in response to the challenges of sourcing products during the rapid expansion of American industry in the late . Incorporated that same year, the company aimed to address the growing need for reliable directories that connected buyers with suppliers in the burgeoning industrial sector. Thomas, recognizing the inefficiencies in locating manufacturers amid industrialization, established publications to facilitate (B2B) transactions. The company's initial publication, titled Thomas's American Grocery Trades Reference Book, appeared in 1898 as a single-volume directory focused on cataloging U.S. manufacturers, distributors, and suppliers within the grocery trades. This first edition served as a practical reference for buyers seeking products and services in food-related fields, emphasizing direct access to American producers to streamline sourcing processes. By providing detailed listings organized by trade categories, it laid the groundwork for a comprehensive resource that would evolve to support broader industrial needs. Over the subsequent years, the publications expanded their scope to encompass additional industrial sectors beyond initial trade references, reflecting the diversification of U.S. in the early 1900s. By 1905, the company launched the Thomas Register of American Manufacturers, adopting a multi-volume format that included product classifications by state and trade, thereby enhancing its utility for nationwide B2B connections. This milestone marked the transition from niche trade guides to a foundational tool for industrial . The Thomas Register experienced significant expansion beginning with its annual editions from 1906 onward, evolving from a modest single-volume directory into a comprehensive multi-volume resource that mirrored the rapid growth of American manufacturing. As industrial output surged in the early 20th century, the publication scaled to include broader coverage of products, services, and suppliers, culminating in the 1998 edition's 34 volumes that detailed nearly 56,000 industrial products and services from 152,000 firms, along with 1.7 million sourcing references. This physical expansion, often featuring oversized green-bound volumes, accommodated the increasing complexity of the industrial landscape and solidified the Register's position as an essential annual reference. The content underwent to enhance , organizing information into distinct sections: an alphabetical index of products and services for rapid navigation; company profiles with essential details such as addresses, key personnel, and operational capabilities; manufacturers' catalogs reproducing technical specifications and product literature; and dedicated sections where firms promoted their offerings through paid display ads. This structured format, pioneered by Thomas Publishing's early development of industrial product classification systems in , enabled consistent access to verified supplier data and became a model for industrial directories. Key events underscored the Register's maturation, including the 75th edition in 1985, which compiled 61,000 advertisements from 17,000 companies and prompted the donation of 1,000 sets to the U.S. Department of Commerce to aid international trade efforts. By the late 20th century, it had established itself as a primary reference tool for engineers seeking technical specifications, professionals identifying reliable U.S. suppliers, and libraries maintaining business collections, with its detailed listings serving as a foundational resource for industrial sourcing decisions. The publication's influence peaked with 100% paid circulation by 1998, reflecting its trusted status and role as the "bible of industry" for connecting buyers and manufacturers.

Transition to Digital

The transition of the Thomas Register from its longstanding print format to digital platforms began in the mid-1980s as the industrial sector increasingly embraced emerging technologies. In 1984, the content of the Thomas Register became accessible online for the first time through Dialog Information Services, a pioneering database service that allowed users to search manufacturer listings and product remotely via computer terminals. This marked the initial digital integration of the directory, enabling faster access compared to the physical volumes while still relying on subscription-based dial-up connections. Building on this foundation, Thomas Publishing expanded its digital offerings throughout the to address growing demands for more convenient and searchable resources amid the rise of personal computing. A version was introduced in 1993, providing offline access to the full catalog on desktop systems, which appealed to engineers and procurement professionals seeking detailed supplier data without constant online connectivity. By 1995, the company launched ThomasRegister.com, its dedicated site, officially establishing Thomasnet as an online platform for product sourcing and supplier discovery. This web-based iteration allowed for real-time updates and interactive searches, positioning the Thomas Register as an of internet-driven tools in the B2B manufacturing space. The shift accelerated as widespread adoption eroded the viability of print editions, with circulation declining sharply due to the convenience of online alternatives. By the late , the annual print volumes, once a staple with 100% paid subscriptions reaching over 150,000 copies, faced reduced as buyers turned to digital formats for . In response to these market pressures, Thomas Publishing focused on enhancing the online platform with features like advanced search capabilities and supplier profiles that supported early functionalities, such as direct inquiries and RFQ (request for quote) submissions, to streamline industrial procurement. The culmination of this transition occurred in the mid-2000s, when print production was phased out entirely. Following the release of the 2006 edition—the final physical set of volumes—Thomas Industrial Network announced the cessation of print publication, declaring the Thomas Register exclusively online via Thomasnet.com. This move reflected broader industry adaptations to digital demands, eliminating the costs of printing and distribution while expanding global reach through web accessibility. The decision ensured the directory's survival and relevance in an era where over 90% of industrial buyers reportedly used online resources for sourcing by the early 2000s.

Thomasnet Platform

Core Functionality

Thomasnet functions as the digital successor to the longstanding Thomas Register print directory, established to connect industrial buyers—such as professionals, engineers, and facility managers—with North American manufacturers and suppliers since 1998. The platform's primary operational model emphasizes facilitating "Made in America" sourcing, enabling users to identify and evaluate North American companies for products, services, and custom needs. This focus addresses key challenges in industrial by prioritizing domestic suppliers to support and strategic decision-making. At its core, Thomasnet operates on a , where suppliers can create and maintain basic listings at no cost to gain visibility among potential buyers, while premium advertising options—such as enhanced profiles, targeted promotions, and priority placement—allow for greater exposure and direct engagement. These paid features help suppliers attract qualified leads by showcasing capabilities, certifications, and catalogs directly to active searchers. The platform's database encompasses over 500,000 North American companies, offering robust search functionality filtered by specific products, services, geographic location, and certifications like ISO standards or diversity designations. The evolution of Thomasnet's has transformed it from a static online directory into an interactive that supports request for quote (RFQ) submissions, allowing buyers to solicit bids efficiently from multiple suppliers. This interactivity extends to tools, where suppliers receive inbound inquiries and can manage RFQs through integrated workflows, fostering direct business connections and streamlining the sourcing process.

Supplier and Buyer Tools

Thomasnet provides suppliers with a suite of tools to enhance their visibility and engagement within the industrial B2B marketplace. Suppliers can create comprehensive company profiles using the Company Profile Manager, which allows uploading images, videos, sales sheets, and certifications to showcase capabilities. Additionally, suppliers manage product catalogs that include over 10 million 2D and 3D CAD drawings from leading OEMs, compatible with major CAD software systems, enabling detailed product visualization for potential buyers. These listings are SEO-optimized to improve search rankings, with tools like Thomas WebTrax providing on buyer interactions, lead tracking, and opportunity intelligence to refine strategies. Premium services, such as sponsored placements through Thomas Ads, offer enhanced exposure, generating up to three times more leads, RFQs, and website traffic for participating suppliers. For buyers, Thomasnet offers advanced search functionality with filters for materials, industries, proximity, certifications, and supplier types, applied across more than 500,000 North American supplier profiles to streamline sourcing. The RFQ system enables users to send Requests for Quotes (RFQs) or Requests for Information (RFIs) directly to selected suppliers, with built-in tracking for communications, delivery verification, and responses centralized in the Thomas Account dashboard. Personalized dashboards allow saving searches, shortlisting suppliers for projects, and comparing options via downloadable CSV exports, facilitating efficient supplier evaluation and decision-making. Integration features support seamless use across platforms, including mobile compatibility for on-the-go access to searches and profiles. Supplier legitimacy is ensured through verification processes, such as the Thomas Verified program, which validates company and contact information via badges like Thomas Registered and Thomas Verified, building buyer trust. While access is available for select enterprise integrations, core tools focus on web-based functionality tailored to B2B industrial needs. These tools collectively facilitate millions of annual buyer-supplier connections, with over 1.4 million registered buyers completing more than 1.5 million sourcing sessions monthly, driving strategic and business growth in .

Content and Resources

News and Insights

Thomasnet Insights, formerly known as Thomasnet News, serves as the platform's dedicated media hub, providing timely articles and analysis on U.S. trends, , and industry events since its inception in the early . Launched amid the shift to digital resources, it has evolved into a key resource for industrial professionals seeking updates on developments and market shifts. The content primarily consists of short-form articles covering supply chain news, spotlights on innovations such as AI applications in , and interviews with industry experts. For instance, recent 2025 posts include analyses of AI-driven and in factories, highlighting how these technologies reduce defect rates and enhance efficiency. Expert interviews feature insights from leaders at companies like , discussing AI's role in improving production safety and workflow optimization. The hub is updated regularly, with coverage extending to major events like industrial investment announcements, such as CNH Industrial's $5 billion commitment to U.S. production in and sectors. Its core purpose is to educate buyers and suppliers on dynamic market conditions, fostering informed decision-making while complementing Thomasnet's sourcing tools by boosting user engagement and platform traffic. By delivering actionable intelligence on trends like reshoring and technological adoption, it helps users navigate economic uncertainties and identify growth opportunities in . Notable examples include ongoing series on "Made in America" initiatives, such as the 2024 Made in America Auto Index analysis, which examines domestic content in vehicles and supports efforts to bolster U.S. production. Sector-specific coverage features articles on , like automation trends in farming and John Deere's $20 billion U.S. expansion, and construction equipment, including JCB's plant doubling to counter tariff impacts. These pieces occasionally reference integrated research reports for deeper data context.

Industry Research

Thomasnet offers a diverse array of free educational resources, including eBooks, whitepapers, and guides, primarily developed since the to address key challenges in the sector. These materials cover topics such as strategies, supplier selection processes, and initiatives, providing practical advice for buyers and suppliers to enhance and market competitiveness. For instance, eBooks like the "Ultimate Guide to for Manufacturers" outline steps for building online presence through SEO, , and tailored to B2B industrial audiences. Similarly, guides on supplier selection emphasize criteria for evaluating vendors based on quality, reliability, and cost-effectiveness, drawing from real-world sourcing scenarios. Among its notable publications, Thomasnet has produced annual reports and surveys that analyze manufacturing trends, economic impacts, and . The Industry Market Barometer (IMB), conducted annually from 2009 to at least 2014, surveyed over 1,200 North American manufacturers each year to assess business performance, growth outlooks, and strategic responses to economic conditions, revealing consistent optimism and investments in . In more recent years, publications such as the 2026 Manufacturing Outlook—based on an August 2025 survey of more than 300 executives from the U.S., U.K., and —explore buyer behaviors, supplier challenges, and of Industry 4.0 technologies like AI and , highlighting how these factors influence and economic contributions. Additional key outputs include the 2025 Career Advancement Report, a collaborative survey with and Women in Manufacturing that examines trends and gaps, and specialized forecasts like the 2025 Automotive Forecast, which details sector-specific integration and market shifts. The underpinning these resources combines from Thomasnet's platform, which attracts over 1.4 million visitors each month, with targeted industry surveys and strategic partnerships. Sourcing reports, for example, aggregate anonymized search across 70,000 product categories to track buyer interests, such as increased U.S. production investments in reshoring and , providing quantitative insights into emerging trends without relying solely on self-reported . Surveys like the Manufacturing Outlook employ structured questionnaires to executives, ensuring representative coverage of small, medium, and large enterprises for robust analysis of challenges like supply disruptions and digital adoption barriers. All these materials are freely accessible through the dedicated resources section on the Thomasnet platform, where users can download PDFs or register for webinars to inform sourcing decisions, strategies, and long-term planning. This distribution model supports professionals by delivering actionable, data-driven content directly to their workflows.

Legacy and Impact

Role in Manufacturing Sourcing

Thomas Register, now operating as Thomasnet, has facilitated (B2B) sourcing in the sector for over 120 years by providing a centralized directory of U.S. suppliers, enabling buyers to access manufacturers efficiently and reducing lead times from weeks to days through streamlined discovery processes. Since its launch in 1905, the platform has connected industrial buyers with domestic producers across diverse categories, supporting the resilience of U.S. supply chains by prioritizing local sourcing options that comply with standards like the . This long-standing role has been pivotal in maintaining access to specialized components and services, particularly for small and medium-sized enterprises that lack extensive networks. The Thomas Register and its successor Thomasnet have championed the "Made in America" ethos since , fostering domestic production and contributing to reshoring efforts amid global disruptions such as the and trade tensions. Surveys conducted via the platform indicate that 83% of North American manufacturers planned to reshore supply chains in , potentially adding $443 billion to the U.S. through new jobs and investments, with Thomasnet processing over $204 billion in sourcing requests in the prior year to support these shifts. By filtering for U.S.-based suppliers, the service has helped mitigate risks from international dependencies, promoting economic connectivity that bolsters national output. Key milestones trace Thomas Register's evolution from a print-era staple—known as the "Big Green Books"—widely used in libraries for supplier lookups in the , to a digital leader in supplier discovery since the 1990s, influencing critical sectors including , automotive, and . In , it has enabled sourcing for and components; in automotive, it tracks reshoring of parts production; and in , it lists over 2,760 specialized manufacturers, driving sector-specific innovations through targeted connections. These developments have positioned Thomasnet as a foundational tool for industrial procurement, with over 1.5 million monthly sourcing sessions facilitating matches in 78,000 categories. Beyond direct sourcing, Thomasnet advocates for manufacturing excellence by forging connections that spur and job creation, such as building supplier websites and enhancing visibility for over 3,000 companies to reach new markets and generate opportunities. Co-sponsoring initiatives like the U.S. Administration's Made in America Manufacturing Initiative, it strengthens economic ties that encourage R&D collaborations and workforce development in U.S. industrial hubs. This advocacy has indirectly supported the addition of tens of thousands of jobs through reshoring, underscoring its role in sustaining a vibrant domestic economy.

Current Status and Evolution

Thomasnet, a of , Inc. (NASDAQ: XMTR) since its acquisition of Thomas Publishing Company in 2021, is headquartered in New York, NY, with a primary focus on serving the North American industrial and manufacturing sectors. The platform connects over 500,000 suppliers with buyers, engineers, and procurement professionals, emphasizing product sourcing, supplier discovery, and solutions tailored to U.S. and Canadian markets. Ongoing enhancements include the Thomas Verified program, which certifies supplier profiles to increase visibility and generate more requests for quotes (RFQs), alongside catalog management tools that integrate with suppliers' websites for seamless functionality. Under 's ownership, Thomasnet has integrated AI-enhanced search capabilities to further support data-driven insights and . In recent years, Thomasnet has adapted to industry trends by providing resources on , such as guides for fostering eco-friendly practices in manufacturing operations, including employee incentives for green initiatives and audits. The platform also supports suppliers through dedicated services, offering customized strategies like SEO, content creation, and paid advertising to enhance online and B2B visibility amid rising demands. These evolutions reflect a shift toward value-added services that help suppliers navigate and regulatory pressures on environmental responsibility. The platform faces challenges from competitors such as Global Sources, IQS Directory, and IndustryNet, which offer similar supplier matching in broader or specialized markets. External analyses indicate an 88% drop in U.S. desktop organic traffic from June 2023 to June 2025, losing approximately 541,000 monthly visits, largely due to Google algorithm updates favoring diverse content over directory listings. Thomasnet has countered these issues by prioritizing mobile-friendly experiences and robust content strategies, including blog resources and targeted ads to maintain buyer engagement across devices. Looking forward, Thomasnet continues to promote U.S. manufacturing resurgence, particularly through reshoring initiatives, with 2025 efforts featuring the Mid-Year Sourcing Report analyzing trends across 80,000+ categories and expanded insights on like AI-driven and in sectors such as automotive. These developments aim to inform strategic decisions and support supplier growth in a competitive landscape.

References

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  2. https://www.thomasnet.com/pressroom/news/ThomasRegister_Online.html
  3. https://www.globenewswire.com/news-release/2021/12/08/2348206/0/en/Xometry-Acquires-Thomas-Accelerating-the-Manufacturing-Industry-s-Digital-Transformation.html
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  51. https://www.cbinsights.com/company/thomasnet/alternatives-competitors
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  54. https://business.thomasnet.com/2025-mid-year-sourcing
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