Total Number

Total list

1,000,000

SIC:

   1521-05 Home improvements

44,864

   17 Construction-special trade contractors

732,472

   5082-06 Contractors-equip/supls-dlrs/svc

11,572

   359-49 Contractors-equipment & supls-renting

8,695

   1711-02 Heating contractors

48,939

   1711-05 Plumbing contractors

59,344

   5211-10 Plumbing fixtures & supplies-new-retail

10,645

   3444-03 Sheet metal fabricators

8,626

   3444 Sheet metal work

9,442

   1711-03 Sheet metal work contractors

11,196

   5075-07 Furnaces-heating

11,182

   1711-12 Heating pumps

10,411

   5075-10 Heating equipment & systems (WHOL)

6,950

   7699-02 Plumbing drain & sewer cleaning

11,199

   5074-08 Plumbing fixtures & supplies-wholesale

5,787

   5999-05 Water heaters-dealers

10,562

   1711-17 Air conditioning contractors & systems

55,328

   1742-05 Insulation contractors-cold & heat

7,251

   8731-11 Environmental & ecological services

19,077

   7623-04 air conditioning equipment-repair

10,962

   5078-04 Refrigerating equip-commercial

10,594