NAICS 423390
Other Construction Material Merchant Wholesalers
RampedUp holds 1,705,009 professional profiles classified to 2022 NAICS 423390 as of the build — 0.7% of all profiles carrying a NAICS classification. Of those, 879,681 carry a professional email address and 229,314 carry a mobile number. Ranked #42 of 370 codes.
What NAICS 423390 covers
This industry comprises (1) establishments primarily engaged in the merchant wholesale distribution of manufactured homes (i.e., mobile homes) and/or prefabricated buildings and (2) establishments primarily engaged in the merchant wholesale distribution of construction materials (except lumber, plywood, millwork, wood panels, brick, stone, roofing, siding, electrical and wiring supplies, and insulation materials). Illustrative Examples: Flat glass merchant wholesalers Prefabricated buildings (except wood) merchant wholesalers Ornamental ironwork merchant wholesalers Fencing and fencing accessories (except wood) merchant wholesalers Plate glass merchant wholesalers Storage bins merchant wholesalers Cross-References. Establishments primarily engaged in--
Official 2022 NAICS definition. Sector 42 — Wholesale Trade. Mapped in the RampedUp taxonomy to Wholesale Building Materials.
What the records carry
Field coverage for NAICS 423390, August 2026 build.
| Field on the record | Records | Share of 423390 | Share across all NAICS |
|---|---|---|---|
| Professional email | 879,681 | 51.6% | 50.8% |
| Personal email | 238,870 | 14.0% | 16.0% |
| Phone (any) | 1,588,879 | 93.2% | 89.3% |
| Mobile number | 229,314 | 13.4% | 13.4% |
| Primary contact record | 1,085,421 | 63.7% | 63.9% |
| All five present on one record | 69,712 | 4.1% | 4.5% |
Counts come from the RampedUp August 2026 build. RampedUp's crosswalk maps each 6-digit 2022 NAICS code to exactly one industry in its own taxonomy, so this is that industry's population viewed under the NAICS classification — not a separate tally.
Comparable NAICS codes
The codes ranked either side of 423390 by profile count.
| # | Code | Title | Profiles | Professional email |
|---|---|---|---|---|
| 40 | 336414 | Guided Missile and Space Vehicle Manufacturing | 1,754,460 | 1,162,920 |
| 41 | 541690 | Other Scientific and Technical Consulting Services | 1,744,872 | 944,339 |
| 43 | 541612 | Human Resources Consulting Services | 1,700,914 | 802,910 |
| 44 | 561599 | All Other Travel Arrangement and Reservation Services | 1,690,113 | 808,171 |
Questions about NAICS 423390
What is NAICS code 423390?
423390 — Other Construction Material Merchant Wholesalers. This industry comprises (1) establishments primarily engaged in the merchant wholesale distribution of manufactured homes (i.e., mobile homes) and/or prefabricated buildings and (2) establishments primarily engaged in the merchant wholesale distribution of construction materials (except lumber, plywood, millwork, wood panels, brick, stone, roofing, siding, electrical and wiring supplies, and insulation materials). Illustrative Examples: Flat glass merchant wholesalers Prefabricated buildings (except wood) merchant wholesalers Ornamental ironwork merchant wholesalers Fencing and fencing accessories (except wood) merchant wholesalers Plate glass merchant wholesalers Storage bins merchant wholesalers Cross-References. Establishments primarily engaged in--
How many contacts does RampedUp have for NAICS 423390?
1,705,009 professional profiles as of the August 2026 build, which is 0.7% of all profiles carrying a NAICS classification. Counts come from the RampedUp August 2026 build. RampedUp's crosswalk maps each 6-digit 2022 NAICS code to exactly one industry in its own taxonomy, so this is that industry's population viewed under the NAICS classification — not a separate tally.
What contact details are available for NAICS 423390?
879,681 records carry a professional email address (51.6%), 238,870 a personal email address, 1,588,879 a phone number and 229,314 a mobile number.
Need this cross-filtered?
Exact counts for NAICS 423390 on its own. For this code combined with a title level, company size or a required field, ask and we will run it against the live file.