RALMARK CO
CAGE 25337 UEI UNL3HJE72A97 KINGSTON, PA SAM active until 2027-06-26 ralmark.com ↗
RALMARK CO (CAGE 25337) appears as the awardee on 1 indexed government parts award across 1 federal supply class, most recently in Sep 2026.
About
Ralmark Company is a pulley manufacturer that makes pulleys and sheaves for aerospace, military and defense, wire and cable, medical, theater rigging, marine and general industrial uses. The company was founded in 1964 in Wilkes-Barre, Pennsylvania, by Marcus F. Hozempa and Alfred H. Engel, and it has produced aircraft pulleys since 1945. Its website says its military pulleys are built to military specifications and that it has received a Boeing supplier excellence award. The company is located in Kingston, Pennsylvania.
Products
- Pulleys
- Sheaves
- Control pulleys
- Wire-winding pulleys
- Capstans and blocks
Capabilities
- Custom pulley engineering
- Aerospace pulley manufacturing
- Military specification pulley manufacturing
- Wire and cable processing sheaves
- Marine sheave manufacturing
Founded 1964, according to its website.
Summary of ralmark.com pages read October 16, 2026, written automatically; check the company's site for details. Pages read: Ralmark Company - Precision Pulley Manufacturin…, Contact Us, Company History, Wire and Cable Manufacturing.
Contact
- Address
- 83 E LUZERNE AVE
KINGSTON, PA 18704-1026 - Mailing address
- P.O. BOX 1507
KINGSTON, PA 18704-0507 - Points of contact in SAM.gov
-
- JEFFREY M HOZEMPA, SALES ADMIN Government Business POC
- CHRISTOPHER J ENGEL, PRESIDENT Alternate Government Business POC
- JEFFREY M HOZEMPA, SALES ADMIN Past Performance POC
- CHRISTOPHER J ENGEL, PRESIDENT Alternate Past Performance POC
- JEFFREY M HOZEMPA, SALES ADMIN Electronic Business POC
- CHRISTOPHER J ENGEL, PRESIDENT Alternate Electronic Business POC
- Phone, from its website
- (570) 288-9331 from ralmark.com
Address and points of contact are the public record in SAM.gov, last updated June 29, 2026 (find it on SAM.gov). Phone and email are as the company publishes them on its own website.
Registration
- SAM.gov status
- Active
- Registered
- Jun 26, 2026
- Expires
- Jun 26, 2027
- Last updated
- Jun 29, 2026
- Business started
- Aug 17, 1964
- Structure
- Corporate Entity (Not Tax Exempt)
- State of incorporation
- PA
- Business types
- For Profit Organization
- Manufacturer of Goods
- Product and service codes registered
- 1640
- 3020
- 3110
- 3120
- 3130
| NAICS | Primary | Size standard |
|---|---|---|
| 336413 | Primary | — |
Source: SAM.gov public entity data (SAM_PUBLIC_MONTHLY_V2_20261013.ZIP) · SAM.gov record ↗
Performance
Last 12 months against the 12 before
| Period | Awards | Award dollars |
|---|---|---|
| Last 12 months | 1 | $98,749 |
| Prior 12 months | 0 | — |
Award dollars in the last 12 months compare with none recorded in the 12 months before.
Rank among suppliers
- Award dollars, last 12 months#925
- Award dollars, all time#925
- Awards won, last 12 months#1,751
- Awards won, all time#1,751
- Distinct NSNs#1,736
- Distinct supply classes#1,574
Top parts
The NSNs this supplier appears on most often in the indexed awards.
| NSN | Item | Awards | Award dollars | Latest award |
|---|---|---|---|---|
| 3020-00-277-1123 | PULLEY,GROOVE | 1 | $98,749 | Sep 9, 2026 |
Supply classes
Federal supply classes of the NSNs in this supplier's indexed awards, with the number of awards in each.
| Class | Name | Awards |
|---|---|---|
| FSC 3020 | Gears, Pulleys, Sprockets, and Transmission Chain | 1 |
Open bids for parts they make
9 part numbers are listed for CAGE 25337 in the federal catalog (FLIS). 2 open solicitations cover those NSNs today.
| Solicitation | NSN | Item | Quantity | Return by | Source |
|---|---|---|---|---|---|
| SPE7L5-27-T-0213 | 3020-00-528-7993 | PULLEY,GROOVE | 10 | Oct 26, 2026 | DIBBS ↗ |
| SPE7L1-27-U-0080 | 3020-01-095-4551 | PULLEY,GROOVE | 175 | Oct 30, 2026 | DIBBS ↗ |
Parts listed for this supplier (9)
| NSN | Item | Part number |
|---|---|---|
| 3020-00-277-1119 | PULLEY,GROOVE | 20219-4 |
| 3020-00-277-1123 | PULLEY,GROOVE | 20220-2 |
| 3020-00-277-1123 | PULLEY,GROOVE | MS20220-2 |
| 3020-00-528-0511 | PULLEY,GROOVE | 20220A1 |
| 3020-00-528-7993 | PULLEY,GROOVE | 20220A2 |
| 3020-00-541-3227 | PULLEY,GROOVE | 20219A1 |
| 3020-00-881-2063 | PULLEY,GROOVE | 20220-4 |
| 3020-01-095-4551 | PULLEY,GROOVE | 70400-00512-102 |
| 3020-01-095-4551 | PULLEY,GROOVE | 8-1982 |
All awards
| NSN | Awarded | Item | Qty | Unit price | Total | Agency | Source |
|---|---|---|---|---|---|---|---|
| 3020-00-277-1123 | Sep 9, 2026 | PULLEY,GROOVE | 2,405 | $41.06 | $98,749 | — | Source ↗ |
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About this data
- Awards come from DLA DIBBS award records and other indexed award records; each row links to its source.
- The supplier's name and location come from the public CAGE file in DLA's PUB LOG.
- Registration, address and points of contact come from SAM.gov public entity data. Phone, email and the website summary come from the company's own website, read by NSNExplorerBot (how it behaves).
- This list covers the awards NSN Explorer has indexed, not everything this supplier has won.
- Award dollars add each award's recorded total, or unit price times quantity when no total is recorded; awards with neither are not counted.
- Data last refreshed: 2026-10-05.
- Totals and ranks as of Oct 18, 2026.
- Full methodology →
Cite this page
NSN Explorer. "RALMARK CO." nsnexplorer.com, https://nsnexplorer.com/supplier/25337/. Data as of October 19, 2026.
https://nsnexplorer.com/supplier/25337/