LocationLists: Federal Contractors — Computer Systems Design Services (NAICS 541512), for_profit = yes 9,617 registered entities match (9,785 listings, 168 duplicates removed). Price for 9,617 registered entities: $39 by card. One spreadsheet. That is every match. Add total= to buy fewer. 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-computer-systems-design-services-naics-541512&where=for_profit:eq:yes&area_columns=county:population,median_household_income,median_age - Census demographics: https://locationlists.com/find?dataset=federal-contractors-computer-systems-design-services-naics-541512&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-computer-systems-design-services-naics-541512&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-computer-systems-design-services-naics-541512&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-computer-systems-design-services-naics-541512&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-computer-systems-design-services-naics-541512&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-computer-systems-design-services-naics-541512&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-computer-systems-design-services-naics-541512&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-computer-systems-design-services-naics-541512&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-computer-systems-design-services-naics-541512&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-computer-systems-design-services-naics-541512&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 Buy the whole list — 9,829 rows · $39 (card, no account needed): https://locationlists.com/data/federal-contractors-computer-systems-design-services-naics-541512/buy?src=find Buy 9,617 rows · $39 (card, no account needed): https://locationlists.com/find/buy?dataset=federal-contractors-computer-systems-design-services-naics-541512&where=for_profit:eq:yes Email me this quote (free, pay later): https://locationlists.com/find/quote?dataset=federal-contractors-computer-systems-design-services-naics-541512&where=for_profit:eq:yes Preview (3 fixed sample row(s) from these lists, the same for every question — not a sample of your 9,617 matches): - KILIUDA CONSULTING, LLC · 2702 DENALI STREET SUITE 100, Anchorage, AK 99503 · 240-499-6251 [federal-contractors-computer-systems-design-services-naics-541512] — matches your question - IC-CAP, LLC · 1401 5TH AVE STE 200, Belle Fourche, SD 57717 · 301-885-6530 [federal-contractors-computer-systems-design-services-naics-541512] — matches your question - CYBER STRIKE DEFENSE LLC · 12 RADCLIFFE DR, Voorhees, NJ 08043 [federal-contractors-computer-systems-design-services-naics-541512] — matches your question Where the matches are, by county (counts only, no names or contact details; 979 counties): - Fairfax County, VA: 839 - Loudoun County, VA: 442 - Montgomery County, MD: 280 - Prince George's County, MD: 246 - Howard County, MD: 175 - Prince William County, VA: 169 - Los Angeles County, CA: 154 - District of Columbia, DC: 138 - Anne Arundel County, MD: 134 - San Diego County, CA: 128 - and 969 more counties (see https://locationlists.com/find?dataset=federal-contractors-computer-systems-design-services-naics-541512&where=for_profit:eq:yes&format=json) Free map of these counts: https://locationlists.com/find/map?dataset=federal-contractors-computer-systems-design-services-naics-541512&where=for_profit:eq:yes The same counts by ZIP code: https://locationlists.com/find?areas=zip&dataset=federal-contractors-computer-systems-design-services-naics-541512&where=for_profit:eq:yes Other ways to ask this: - Counts per county instead of rows: https://locationlists.com/find?dataset=federal-contractors-computer-systems-design-services-naics-541512&where=for_profit:eq:yes&areas=county - Counts per ZIP code instead of rows: https://locationlists.com/find?dataset=federal-contractors-computer-systems-design-services-naics-541512&where=for_profit:eq:yes&areas=zip Technical details (developers and AI agents): JSON: https://locationlists.com/find?dataset=federal-contractors-computer-systems-design-services-naics-541512&where=for_profit:eq:yes&format=json · Nothing is charged until checkout is paid.