LocationLists: Federal Contractors — Custom Computer Programming Services (NAICS 541511), for_profit = yes

11,923 registered entities match (12,083 listings, 160 duplicates removed).

Price for 11,923 registered entities: $49 by card. One spreadsheet.
That is every match. Add total=<rows> 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-custom-computer-programming-services-naics-541511&where=for_profit:eq:yes&area_columns=county:population,median_household_income,median_age
- Census demographics: https://locationlists.com/find?dataset=federal-contractors-custom-computer-programming-services-naics-541511&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-custom-computer-programming-services-naics-541511&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-custom-computer-programming-services-naics-541511&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-custom-computer-programming-services-naics-541511&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-custom-computer-programming-services-naics-541511&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-custom-computer-programming-services-naics-541511&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-custom-computer-programming-services-naics-541511&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-custom-computer-programming-services-naics-541511&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-custom-computer-programming-services-naics-541511&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-custom-computer-programming-services-naics-541511&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 — 12,146 rows · $49 (card, no account needed): https://locationlists.com/data/federal-contractors-custom-computer-programming-services-naics-541511/buy?src=find
Email me this quote (free, pay later): https://locationlists.com/find/quote?dataset=federal-contractors-custom-computer-programming-services-naics-541511&where=for_profit:eq:yes

Preview (3 fixed sample row(s) from these lists, the same for every question — not a sample of your 11,923 matches):
- ACACIA IT SOLUTIONS INC. · 264 MIDLAND AVE, Saddle Brook, NJ 07663 · 929-425-5461 [federal-contractors-custom-computer-programming-services-naics-541511] — matches your question
- MY3TECH INCORPORATION · 1601 N HARRISON AVE, Pierre, SD 57501 · 734-658-7616 [federal-contractors-custom-computer-programming-services-naics-541511] — matches your question
- DOGTOOTH LLC · 170 TASI LANE, MANGILAO, GU 96913 [federal-contractors-custom-computer-programming-services-naics-541511] — matches your question

Where the matches are, by county (counts only, no names or contact details; 995 counties):
- Fairfax County, VA: 989
- Loudoun County, VA: 562
- Montgomery County, MD: 324
- Howard County, MD: 275
- Los Angeles County, CA: 221
- Santa Clara County, CA: 175
- Cook County, IL: 153
- Travis County, TX: 150
- District of Columbia, DC: 149
- San Diego County, CA: 148
- and 985 more counties (see https://locationlists.com/find?dataset=federal-contractors-custom-computer-programming-services-naics-541511&where=for_profit:eq:yes&format=json)
Free map of these counts: https://locationlists.com/find/map?dataset=federal-contractors-custom-computer-programming-services-naics-541511&where=for_profit:eq:yes
The same counts by ZIP code: https://locationlists.com/find?areas=zip&dataset=federal-contractors-custom-computer-programming-services-naics-541511&where=for_profit:eq:yes

Other ways to ask this:
- Counts per county instead of rows: https://locationlists.com/find?dataset=federal-contractors-custom-computer-programming-services-naics-541511&where=for_profit:eq:yes&areas=county
- Counts per ZIP code instead of rows: https://locationlists.com/find?dataset=federal-contractors-custom-computer-programming-services-naics-541511&where=for_profit:eq:yes&areas=zip

Technical details (developers and AI agents): JSON: https://locationlists.com/find?dataset=federal-contractors-custom-computer-programming-services-naics-541511&where=for_profit:eq:yes&format=json · Nothing is charged until checkout is paid.