R.L. Polk & Company
Corporate brand
UnclaimedR.L. Polk & Company was a Detroit-founded provider of directories, automotive data, and business information services.
Last updated August 31, 2026
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Overview
R.L. Polk & Company was an American business-information and marketing-services company whose roots lay in the publication of city and business directories. Founded by Ralph Lane Polk in Detroit in 1870, the company initially assembled reference books listing residents, businesses, addresses, and public institutions. Its directories expanded across the United States and included specialized publications such as bank directories and gazetteers. By the middle of the twentieth century, Polk had become a substantial publisher of structured commercial and demographic information. The company’s most important strategic transformation began in the early 1920s. After a discussion between Ralph Lane Polk II and Alfred P. Sloan, Polk entered the automotive-information field and began collecting and publishing vehicle-registration statistics. In 1922 it issued its first Passenger Car Registration Report, covering 58 vehicle makes and approximately 9.2 million passenger automobiles in operation in the United States. This activity developed into a long-running data business serving vehicle manufacturers, dealers, suppliers, insurers, financial institutions, marketers, and other automotive-sector customers. Polk progressively adopted new information-processing technologies. From 1951 to 1958 it pioneered the use of electronic punch-card tabulation for its reporting activities. During the 1950s its coverage expanded beyond passenger cars to boats, business aircraft, motorcycles, commercial trailers, and recreational vehicles. In 1976 the company introduced the National Vehicle Population Profile, a vehicle-population database that became one of its recognized automotive information products. By the 1990s and 2000s, Polk combined data assets, marketing services, analytical products, and vehicle-history information. Its offerings included PolkInsight, Polk Dealer Marketing Manager, Polk Vehicle Lifecycle System, Polk CrossSell Reports, Polk Total Market Predictor, Polk Canada Net, and other services aimed at market analysis, customer targeting, inventory management, and vehicle forecasting. The company also expanded internationally through operations and partnerships in Canada, Europe, Asia, and Australia. A major part of Polk’s later identity came from Carfax. Polk acquired a minority interest in Carfax in 1993 and completed the purchase of the remaining interest in 1999. Carfax used vehicle-identification numbers and records from multiple sources to provide used-vehicle histories, with Polk data forming a substantial part of the underlying information at the time described in the company’s historical material. Polk also reshaped its portfolio through divestitures and acquisitions. In 2000 it sold several consumer-information businesses to Equifax, while continuing to build its automotive-data capabilities. It acquired or invested in businesses connected with marketing systems, European data, vehicle pricing and specifications, and related automotive services. The company introduced recognition programs such as the Polk Inventory Efficiency Award and maintained relationships with automotive and marketing organizations. In 2013, IHS Markit announced the acquisition of R.L. Polk & Company for approximately $1.4 billion. The transaction brought Polk’s automotive information activities and Carfax under IHS Markit. IHS Markit was later acquired by S&P Global in 2022. As a result, R.L. Polk & Company no longer operates as an independent company, although its historical data capabilities and automotive-information businesses became part of larger information-services organizations.
History
R.L. Polk & Company was established in Detroit in 1870 by Ralph Lane Polk as a publisher of business directories. Its early publications organized information about residents, companies, addresses, post offices, and financial institutions. A 1872 directory covering Evansville, Indiana, together with post offices in nine states, illustrated the company’s original model: converting fragmented local information into standardized reference products. Polk subsequently issued directories for many American cities and states, including address-based property listings and specialized bank directories. By 1960, the company claimed to have published roughly 1,000 directories. The company’s later history was dominated by its move into automotive information. In 1921, Ralph Lane Polk II discussed the potential value of impartial vehicle statistics with Alfred P. Sloan, then associated with General Motors. Polk responded by launching motor-vehicle statistical operations in 1922. Its first Passenger Car Registration Report covered 58 makes and approximately 9.2 million passenger cars operating on American roads. This created a durable information business around registrations, vehicle populations, market shares, and automotive demand. Polk modernized its processing methods during the postwar period. From 1951 through 1958 it pioneered electronic punch-card tabulation for its reporting work. In 1956, its statistics covered not only cars and trucks but also boats, business aircraft, motorcycles, commercial trailers, and recreational vehicles. The 1976 introduction of the National Vehicle Population Profile further formalized its vehicle-population data capabilities. During the 1990s, Polk expanded through international operations, marketing alliances, and acquisitions. In 1993 it combined Canadian activities with Blackburn Marketing Services to create Blackburn/Polk Marketing Services Inc. and acquired a 35% interest in Carfax. It later entered an alliance with Marketing Systems GmbH and obtained a substantial minority interest in The Ultimate Perspective. In 1996, the Blackburn/Polk operations were fully acquired and renamed Polk Canada Marketing Services. In 1997, Polk acquired the European operations of the MSS division of Automatic Data Processing. In 1999, it sold Advertising Unlimited and completed the acquisition of all of Carfax. Carfax became an especially important part of Polk’s portfolio. Its service used vehicle-identification numbers to assemble histories from multiple records, potentially including information about prior use, odometer readings, ownership, and other events relevant to used-vehicle buyers. The historical material states that approximately 75% of Carfax’s information came from Polk data at that time. Polk also simplified and refocused its activities. In 2000 it sold its Consumer Information Solutions businesses to Equifax, including direct marketing, data-information, city-directory, and selected Canadian units. It continued launching and acquiring automotive-oriented products, including Garage Predictors, Polk Canada Net, and Marketing Systems Group. The company introduced the Polk Inventory Efficiency Award in 2005 and acquired a majority interest in ROADTODATA in 2007, strengthening its access to automotive pricing and specification information. A 2010 partnership with Citytwist represented another connection to marketing services. The company’s principal commercial offerings included PolkInsight, the National Vehicle Population Profile, dealer marketing tools, vehicle lifecycle analysis, cross-sell reports, total-market forecasting, and other data services for manufacturers, dealers, insurers, suppliers, and marketers. Its international footprint included Canada, Germany, the United Kingdom, France, Japan, China, and Australia, in addition to the United States. In 2013, IHS Markit announced the purchase of R.L. Polk & Company for approximately $1.4 billion. IHS Markit assumed control of the Polk and Carfax divisions, describing the automotive information capabilities as complementary to its own markets. IHS Markit later became part of S&P Global through a 2022 acquisition. Polk therefore ended as an independent company, with its historical automotive-data assets absorbed into successor information-services businesses.
- 2022
IHS Markit becomes part of S&P Global
[1]S&P Global acquired IHS Markit, becoming the ultimate corporate owner of the former Polk businesses.
- 2013
Acquired by IHS Markit
[1]IHS Markit acquired Polk and its automotive information operations for approximately $1.4 billion.
- 2007
ROADTODATA majority interest acquired
[1]Polk acquired a majority interest in a provider of automotive pricing and specifications data.
- 2005
Polk Inventory Efficiency Award introduced
[1]The company created an award recognizing process improvements in aftermarket inventory efficiency.
- 2000
Consumer-information units sold
[1]Polk sold several consumer-information businesses to Equifax and emphasized automotive information.
- 1999
Carfax acquisition completed
[1]Polk acquired the remaining interest in Carfax and became its 100% owner.
- 1996
Blackburn/Polk operations acquired
[1]Polk completed the acquisition of Blackburn/Polk operations and renamed them Polk Canada Marketing Services.
- 1993
Canadian combination and Carfax investment
[1]Polk combined Canadian operations with Blackburn Marketing Services and acquired a minority interest in Carfax.
- 1976
National Vehicle Population Profile introduced
[1]The company launched the National Vehicle Population Profile for vehicle-population analysis.
- 1951
Electronic tabulation adopted
[1]Polk began pioneering the use of electronic punch-card tabulating equipment for its information services.
Products and positioning
A business-to-business information provider focused on authoritative directories, vehicle-registration intelligence, automotive market analytics, dealer marketing, insurance-related data, and vehicle-history information.
Automotive data · 1976
National Vehicle Population Profile
Introduced in 1976, the National Vehicle Population Profile was a structured source of vehicle-population information. It supported analysis of vehicles in operation, market composition, and related automotive planning needs for manufacturers, dealers, suppliers, insurers, and marketers.
Automotive market intelligence
PolkInsight
PolkInsight was a business-to-business information and analytical service designed to help automotive organizations interpret registration, market, and customer data. It formed part of Polk’s broader portfolio of decision-support products for manufacturers and other industry participants.
Dealer marketing software and data
Polk Dealer Marketing Manager
Polk Dealer Marketing Manager supported automotive dealers with targeted marketing and customer analysis. It reflected Polk’s effort to turn vehicle-registration and ownership data into practical tools for dealer prospecting, retention, and sales activity.
Vehicle lifecycle analytics
Polk Vehicle Lifecycle System
The Polk Vehicle Lifecycle System organized information about vehicles over time, helping automotive businesses analyze ownership, usage, replacement, and market stages. It was part of Polk’s analytical offering for organizations needing a longitudinal view of vehicle populations.
Automotive forecasting
Polk Total Market Predictor
Polk Total Market Predictor, also known as Polk TMP, provided forecasting and market-planning information for the automotive sector. The product was intended to help customers assess future market conditions, vehicle demand, and competitive opportunities.
Vehicle history information
Carfax
Carfax compiled vehicle histories using vehicle-identification numbers and records from multiple sources. Reports could include prior use, odometer information, ownership history, and other facts relevant to used-vehicle transactions. Polk acquired full ownership of Carfax in 1999.
Canadian automotive information · 2000
Polk Canada Net
Polk Canada Net was a Canadian information service associated with Polk’s expanded North American automotive and marketing operations. It represented the company’s use of regional data products for automotive and business customers.
Business information publishing · 1872
Business and city directories
Polk’s original products were printed directories listing residents, businesses, addresses, post offices, properties, and financial institutions. These publications established the company’s reputation for collecting and organizing local commercial information before its later specialization in automotive data.
Brand decisions
2013
Sale to IHS MarkitM&ABackground
Polk’s automotive information services and Carfax were complementary to IHS Markit’s existing information businesses.
Action taken
IHS Markit acquired R.L. Polk & Company for approximately $1.4 billion and assumed control of the Polk and Carfax divisions.
Aftermath
Polk ceased to operate as an independent company, while its automotive information capabilities became part of IHS Markit and later S&P Global.
Acquisition value. Approximately $1.4 billion (2013 announcement and transaction)
2000
Divestiture of consumer-information businessesStrategyBackground
Polk operated several consumer-information and directory businesses alongside its growing automotive information activities.
Action taken
The company sold its Consumer Information Solutions units and related businesses to Equifax.
Aftermath
The divestiture narrowed Polk’s portfolio and supported a stronger focus on automotive information, analytics, and marketing services.
1999
Complete acquisition of CarfaxM&ABackground
Polk had held a 35% interest in Carfax since 1993 and already supplied a substantial portion of the data used in its vehicle-history service.
Action taken
Polk purchased the remaining interest and became Carfax’s 100% owner.
Aftermath
The acquisition strengthened Polk’s position in vehicle-history information and connected its registration data with a consumer-facing used-vehicle research service.
Sources1 sources
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