> Enrich.chat gives AI agents verified work emails and mobiles. To use it from an agent, read https://enrich.chat/agents.md . This is the Markdown version of https://enrich.chat/sic/1622/ # SIC code 1622: Bridge and tunnel construction The companies classified under SIC 1622, where they are based, how big they are and how the code maps to NAICS. By Enrich.chat Editorial. Updated October 22, 2026. **Short answer:** SIC 1622 is the Standard Industrial Classification code for Bridge and tunnel construction, in division C (Construction). The companies counted under it are mostly small: 75% have 200 or fewer employees. ## What is SIC 1622? SIC 1622 is the Standard Industrial Classification code for Bridge and tunnel construction. It sits in division C, Construction. The first two digits name the major group, and the last two narrow it to a single industry. Most of the companies counted also carry NAICS 237310 (92%). - 42% of the companies counted have 50 or fewer employees, and the middle one is in the 51 to 200 range. - The largest group is headquartered in the United States (65%). Within the US, New York is the biggest state (11%). - Most were founded in the before 1960 (24%), then the 2000s (22%). **Figure: How SIC 1622 is built.** The code 1622 split into its parts: major group 16, then industry group and industry. It sits in division C, Construction. *The four digits of SIC 1622.* ## Which companies are classified under SIC 1622? The biggest by headcount range include Bouygues Construction, Archirodon Group N.V., Fulton Hogan, Galfar Engineering & Contracting SAOG and Af Gruppen. Names link to a company profile where we have one. | Company | Headquarters | Employees | | --- | --- | --- | | [Fulton Hogan](https://enrich.chat/company/fulton-hogan/) | Christchurch, New Zealand | 10,001+ | | [Galfar Engineering & Contracting SAOG](https://enrich.chat/company/galfar-engineering-and-contracting-saog/) | Muscat Oman Muscat, Oman | 10,001+ | | Af Gruppen | Oslo, Norway | 5,001 to 10,000 | | Soma Enterprise | Hyderabad, India | 5,001 to 10,000 | | H.G. Infra Engineering | Jaipur, India | 1,001 to 5,000 | | Itd Cementation India | Mumbai, India | 1,001 to 5,000 | | Austin Bridge & Road | Irving, TX | 501 to 1,000 | | Railroad Construction | Paterson, NJ | 501 to 1,000 | | Kraemer North America | Plain, WI | 501 to 1,000 | | Traylor Bros. | Evansville, IN | 201 to 500 | | Halmar International | Nanuet, NY | 201 to 500 | | Spar Geo Infra | New Delhi, India | 201 to 500 | | Asch Infraestructuras Y Servicios | Madrid, Spain | 201 to 500 | | Schiavone Construction | Secaucus, NJ | 201 to 500 | | Mclean Contracting | Glen Burnie, MD | 201 to 500 | | J.F. White Contracting | Framingham, MA | 201 to 500 | | Waagner-Biro Bridge Systems | Vienna, Austria | 201 to 500 | | Brahmaputra Infrastructure | New Delhi, India | 201 to 500 | | Panchsheel Buildtech | Noida, India | 201 to 500 | | Harrison & Burrowes Bridge Constructors | Glenmont, NY | 201 to 500 | | Dcs | Hyderabad, India | 201 to 500 | | Amaltas India | Bhopal, India | 201 to 500 | | Smith-Rowe | Mount Airy, NC | 201 to 500 | | Mohawk Northeast | Plantsville, CT | 201 to 500 | | Twin K Construction | Helenwood, TN | 201 to 500 | The table shows the 25 biggest by headcount range, with ties broken by audience size. The charts and percentages below cover every company counted for this page, not just these 25, and companies with fewer than 11 employees are not counted. Headquarters is the location on each company's public profile. ## Where are SIC 1622 companies based? The largest groups are headquartered in the United States (65%), India (23%) and Germany (3%). **Figure: Where companies in SIC 1622 are based.** Bars for the share of counted companies in SIC 1622 headquartered in each country: United States 65%, India 23%, Germany 3%, United Kingdom 3%. *Share of counted companies in SIC 1622 by headquarters country.* Within the United States, New York (11%), California (7%) and Illinois (6%) lead. **Figure: US headquarters of companies in SIC 1622, by state.** A tile map of the United States shaded by the share of counted US companies in SIC 1622 headquartered in each state. The largest are New York 11%, California 7%, Illinois 6%. *Share of counted US companies in SIC 1622 by headquarters state. The three largest states are outlined.* ## How big are the companies counted for SIC 1622? 42% of them have 50 or fewer employees, and the middle one is in the 51 to 200 range. Companies with fewer than 11 employees are not counted. **Figure: Size of companies in SIC 1622.** Seven columns for the share of counted companies in SIC 1622 in each employee range: 11 to 50 42%, 51 to 200 33%, 201 to 500 15%, 501 to 1,000 3%, 1,001 to 5,000 2%, 5,001 to 10,000 2%, 10,001+ 3%. *Share of counted companies in SIC 1622 in each employee range.* ## How old are SIC 1622 companies? Most were founded in the before 1960 (24%), then the 2000s (22%). **Figure: When companies in SIC 1622 were founded.** Eight columns for the share of counted companies in SIC 1622 founded in each era: Before 1960 24%, 1960s 6%, 1970s 10%, 1980s 16%, 1990s 10%, 2000s 22%, 2010s 10%, 2020s 0%. *Share of counted companies in SIC 1622 by the era they were founded in, for the ones that list a founding year.* ## How SIC 1622 compares - 42% of companies in SIC 1622 have 50 or fewer employees, against 60% across all NAICS codes on this site. - 10% were founded in 2010 or later, against 30% across all NAICS codes on this site. - New York holds 11% of the US companies here, against 6% across all NAICS codes on this site. ## SIC 1622 and the NAICS system NAICS replaced SIC as the U.S. federal standard in 1997, but the two do not line up one to one. These are the NAICS codes seen most among the companies counted under SIC 1622. | Code | Title | Share of counted | | --- | --- | --- | | [NAICS 237310](https://enrich.chat/naics/237310/) | Highway, Street, and Bridge Construction | 92% | | [NAICS 237990](https://enrich.chat/naics/237990/) | Other Heavy and Civil Engineering Construction | 2% | | [NAICS 523940](https://enrich.chat/naics/523940/) | Portfolio Management and Investment Advice | 2% | ## How do SIC 1622 companies describe themselves? A code is assigned by classification, and a company does not choose its own, so the label a company uses for itself can differ. The most common labels here are Construction (80%), Civil Engineering (10%) and Real Estate (10%). **Figure: How companies in SIC 1622 describe themselves.** Bars for the share of counted companies in SIC 1622 that give each industry on their public profile: Construction 80%, Civil Engineering 10%, Real Estate 10%. *Share of counted companies in SIC 1622 by the industry they list on their public profile.* ## Where SIC codes come from SIC was created in the 1930s and is now historical: the U.S. government replaced it with NAICS in 1997. It is still widely used, and the SEC still assigns a SIC code to every company that files on EDGAR. The full list is in the [SIC manual](https://www.osha.gov/data/sic-manual) that OSHA hosts, and the Census Bureau's [guide to understanding NAICS](https://www.census.gov/programs-surveys/economic-census/year/2022/guidance/understanding-naics.html) explains how the two relate. ## How do you reach the people at SIC 1622 companies? The people to talk to are usually operations and procurement leaders. You can build the list in three prompts to your AI agent. ### 1. Count them (free) Counting who matches never uses credits. ```text Use www.enrich.chat to count the companies with SIC code 1622 (Bridge and tunnel construction) ``` ### 2. Find the people (5 credits per person) Name the roles you sell to. Each person returned is 5 credits, and name, title and company are included. ```text Use www.enrich.chat to find the operations and procurement leaders at companies with SIC code 1622, with their titles ``` ### 3. Get their work emails (10 credits each) An email is 10 credits only when one is found. Every email comes with a status: verified, catch-all or unknown. ```text Use www.enrich.chat to find the work emails for these people and tell me which ones are verified ``` ## Frequently asked questions ### What is SIC code 1622? SIC 1622 is the code for Bridge and tunnel construction, in division C (Construction). ### What is the NAICS code for SIC 1622 (Bridge and tunnel construction)? 92% of the companies counted carry NAICS 237310 (Highway, Street, and Bridge Construction), but the two systems do not map one to one. ### Which companies are classified under SIC 1622? The biggest by headcount range include Bouygues Construction, Archirodon Group N.V., Fulton Hogan, Galfar Engineering & Contracting SAOG and Af Gruppen. The page lists 25 with links to their profiles where we have them. ### How big are the companies in SIC 1622? 42% have 50 or fewer employees, and the middle one is in the 51 to 200 range. Companies with fewer than 11 employees are not counted. ### Is SIC still used? Yes. The U.S. government replaced SIC with NAICS in 1997, but SIC codes are still common in business databases, and the SEC still uses them on EDGAR. ## Try this prompt Find the people at SIC 1622 companies ```text Use www.enrich.chat to find the operations and procurement leaders at companies with SIC code 1622, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)