LocationLists: Federal Contractors — Computer Systems Design Services (NAICS 541512) 9,661 registered entities match (9,829 listings, 168 duplicates removed). Price for 9,661 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&area_columns=county:population,median_household_income,median_age - Census demographics: https://locationlists.com/find?dataset=federal-contractors-computer-systems-design-services-naics-541512&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&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&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&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&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&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&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&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&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&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 9,661 rows · $39 (card, no account needed): https://locationlists.com/find/buy?dataset=federal-contractors-computer-systems-design-services-naics-541512 Email me this quote (free, pay later): https://locationlists.com/find/quote?dataset=federal-contractors-computer-systems-design-services-naics-541512 Preview (3 fixed sample row(s) from these lists, the same for every question — not a sample of your 9,661 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; 981 counties): - Fairfax County, VA: 842 - Loudoun County, VA: 443 - Montgomery County, MD: 282 - 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: 135 - San Diego County, CA: 130 - and 971 more counties (see https://locationlists.com/find?dataset=federal-contractors-computer-systems-design-services-naics-541512&format=json) Free map of these counts: https://locationlists.com/find/map?dataset=federal-contractors-computer-systems-design-services-naics-541512 The same counts by ZIP code: https://locationlists.com/find?areas=zip&dataset=federal-contractors-computer-systems-design-services-naics-541512 Other ways to ask this: - Counts per county instead of rows: https://locationlists.com/find?dataset=federal-contractors-computer-systems-design-services-naics-541512&areas=county - Counts per ZIP code instead of rows: https://locationlists.com/find?dataset=federal-contractors-computer-systems-design-services-naics-541512&areas=zip Technical details (developers and AI agents): JSON: https://locationlists.com/find?dataset=federal-contractors-computer-systems-design-services-naics-541512&format=json · Nothing is charged until checkout is paid.