LocationLists: Federal Contractors — Highway, Street, and Bridge Construction (NAICS 237310), for_profit = yes

3,891 registered entities match (3,945 listings, 54 duplicates removed).

The file is the list as published. Add the essentials (county population, median household income and median age) or a group of area data to every row below.
Add more area data to every row (each link reloads this answer with those columns added, and the buy link then delivers them):
- Add the essentials: https://locationlists.com/find?dataset=federal-contractors-highway-street-and-bridge-construction-naics-237310&where=for_profit:eq:yes&area_columns=county:population,median_household_income,median_age
- Census demographics: https://locationlists.com/find?dataset=federal-contractors-highway-street-and-bridge-construction-naics-237310&where=for_profit:eq:yes&area_columns=county:population,households,median_household_income,median_age,pct_65_plus,pct_bachelors_plus,housing_units,owner_occupied_share,median_home_value,population_estimate,population_growth_since_2020,pct_under_18,pct_5_to_14,pct_households_with_people_under_18
- Business activity by industry: https://locationlists.com/find?dataset=federal-contractors-highway-street-and-bridge-construction-naics-237310&where=for_profit:eq:yes&area_columns=county:establishments,employees,agriculture_establishments,mining_establishments,utilities_establishments,construction_establishments,manufacturing_establishments,wholesale_trade_establishments,retail_trade_establishments,transportation_establishments,information_establishments,finance_establishments,real_estate_establishments,professional_establishments,management_establishments,administrative_establishments,educational_services_establishments,health_care_establishments,arts_establishments,accommodation_establishments,other_services_establishments
- Weather normals: https://locationlists.com/find?dataset=federal-contractors-highway-street-and-bridge-construction-naics-237310&where=for_profit:eq:yes&area_columns=county:january_high,july_high,annual_high,january_low,july_low,annual_low,annual_precipitation,annual_cooling_degree_days,annual_heating_degree_days,hottest_month_high,coldest_month_low,annual_snowfall,annual_days_of_highs_reaching_90_f,annual_days_of_highs_reaching_100_f,growing_season_length_20f_50pct
- Storms: https://locationlists.com/find?dataset=federal-contractors-highway-street-and-bridge-construction-naics-237310&where=for_profit:eq:yes&area_columns=county:flash_flood_events,flood_events,hail_events,high_wind_events,hurricane_events,lightning_events,thunderstorm_wind_events,tornado_events,wildfire_events,winter_storm_events,strong_tornadoes,storm_injuries,storm_deaths,storm_property_damage,storm_crop_damage
- Drought: https://locationlists.com/find?dataset=federal-contractors-highway-street-and-bridge-construction-naics-237310&where=for_profit:eq:yes&area_columns=county:palmer_drought_severity_index,palmer_hydrological_drought_index,modified_palmer_drought_index,palmer_z_index,palmer_drought_severity_index_2025,palmer_hydrological_drought_index_2025,modified_palmer_drought_index_2025,palmer_z_index_2025
- Building stock: https://locationlists.com/find?dataset=federal-contractors-highway-street-and-bridge-construction-naics-237310&where=for_profit:eq:yes&area_columns=county:buildings,multi_story_buildings,mid_rise_buildings,high_rise_buildings,buildings_4_floors_plus,buildings_8_floors_plus,share_with_floors_published,share_with_height_published,building_footprint_area,estimated_floor_area,average_building_height,tallest_building_height
- Housing market and new construction: https://locationlists.com/find?dataset=federal-contractors-highway-street-and-bridge-construction-naics-237310&where=for_profit:eq:yes&area_columns=county:typical_home_value,home_value_change_1_year,typical_rent,rent_change_1_year,price_to_rent_ratio,housing_units_permitted_last_12_months,single_family_units_permitted_last_12_months,housing_units_permitted_per_1000_homes
- Household income from tax returns: https://locationlists.com/find?dataset=federal-contractors-highway-street-and-bridge-construction-naics-237310&where=for_profit:eq:yes&area_columns=county:tax_returns,average_adjusted_gross_income,average_wages,share_income_up_to_25k,share_income_200k_plus,share_income_100k_plus,share_with_business_income,share_with_capital_gains,share_elderly_returns,share_with_earned_income_credit,effective_federal_tax_rate
- Hazard risk: https://locationlists.com/find?dataset=federal-contractors-highway-street-and-bridge-construction-naics-237310&where=for_profit:eq:yes&area_columns=county:national_risk_index_score,national_risk_index_rating_level,expected_annual_loss,expected_annual_loss_to_buildings,social_vulnerability_score,community_resilience_score,avalanche_expected_annual_loss,coastal_flooding_expected_annual_loss,cold_wave_expected_annual_loss,drought_expected_annual_loss,earthquake_expected_annual_loss,hail_expected_annual_loss,heat_wave_expected_annual_loss,hurricane_expected_annual_loss,ice_storm_expected_annual_loss,landslide_expected_annual_loss,lightning_expected_annual_loss,inland_flooding_expected_annual_loss,strong_wind_expected_annual_loss,tornado_expected_annual_loss,tsunami_expected_annual_loss,volcanic_activity_expected_annual_loss,wildfire_expected_annual_loss,winter_weather_expected_annual_loss
- Agriculture: https://locationlists.com/find?dataset=federal-contractors-highway-street-and-bridge-construction-naics-237310&where=for_profit:eq:yes&area_columns=county:livestock_sales,cattle_inventory,crop_sales,average_producer_age,producers,farm_production_expenses,hired_farm_workers,cropland_acres,harvested_cropland_acres,land_and_buildings_value,land_and_buildings_value_per_acre,irrigated_acres,pastureland_acres,land_in_farms,average_farm_size,share_of_land_in_farms,farms,machinery_value,average_machinery_value_per_farm,tractors,market_value_of_products_sold,average_sales_per_farm,net_cash_farm_income
This list is sold whole.
Buy the whole list — 4,112 rows · $29 (card, no account needed): https://locationlists.com/data/federal-contractors-highway-street-and-bridge-construction-naics-237310/buy?src=find
Email me this quote (free, pay later): https://locationlists.com/find/quote?dataset=federal-contractors-highway-street-and-bridge-construction-naics-237310&where=for_profit:eq:yes

Preview (3 fixed sample row(s) from these lists, the same for every question — not a sample of your 3,891 matches):
- M. D. MILLER CO., INC. · 705 E ORDNANCE RD STE 108, Curtis Bay, MD 21226 [federal-contractors-highway-street-and-bridge-construction-naics-237310] — matches your question
- CURB & GUTTER PROFESSIONALS INC · 140 PIONEER RD, Jesup, GA 31545 · 912-588-7009 [federal-contractors-highway-street-and-bridge-construction-naics-237310] — matches your question
- MIDLAND CONTRACTING, INC. · 101 INDUSTRIAL DR, Volga, SD 57071 · 605-352-2400 [federal-contractors-highway-street-and-bridge-construction-naics-237310] — matches your question

Where the matches are, by county (counts only, no names or contact details; 1,238 counties):
- Maricopa County, AZ: 52
- San Diego County, CA: 45
- Harris County, TX: 38
- Los Angeles County, CA: 35
- Orange County, CA: 31
- Capitol Planning Region, CT: 29
- Bernalillo County, NM: 28
- King County, WA: 28
- Riverside County, CA: 26
- San Bernardino County, CA: 24
- and 1,228 more counties (see https://locationlists.com/find?dataset=federal-contractors-highway-street-and-bridge-construction-naics-237310&where=for_profit:eq:yes&format=json)
Free map of these counts: https://locationlists.com/find/map?dataset=federal-contractors-highway-street-and-bridge-construction-naics-237310&where=for_profit:eq:yes
The same counts by ZIP code: https://locationlists.com/find?areas=zip&dataset=federal-contractors-highway-street-and-bridge-construction-naics-237310&where=for_profit:eq:yes

Left out:
- Federal Contractors — Highway, Street, and Bridge Construction (NAICS 237310): 3,945 match, but at 4,112 records this dataset is sold only as the whole file ($29).

Other ways to ask this:
- Counts per county instead of rows: https://locationlists.com/find?dataset=federal-contractors-highway-street-and-bridge-construction-naics-237310&where=for_profit:eq:yes&areas=county
- Counts per ZIP code instead of rows: https://locationlists.com/find?dataset=federal-contractors-highway-street-and-bridge-construction-naics-237310&where=for_profit:eq:yes&areas=zip

Technical details (developers and AI agents): JSON: https://locationlists.com/find?dataset=federal-contractors-highway-street-and-bridge-construction-naics-237310&where=for_profit:eq:yes&format=json · Nothing is charged until checkout is paid.