GRP & Associates Inc
Waste hauler in Mason City, IA · 7 drivers · 7 trucks · USDOT 441104
Company details
- Address
- 935 15th St SW
Mason City, IA 50401 - Mailing address
- P O Box 94, Clear Lake, IA 50428
- Phone
- (641) 357-2566
- Website
- sharpsdisposal.com
- County
- Cerro Gordo County
- Business type
- Partnership
- USDOT number
- 441104 (active)
- FMCSA registered
- Since March 1991
- Operation
- Interstate carrier · Private property (hauls its own cargo)
- Cargo on file
- Other: Regulated Medical Waste
- Hazardous materials
- No
- Locations
- 1 location · operates in IA
- Data sources
- FMCSA Motor Carrier Census (24 Aug 2026), company website (Sep 2026)
- Last verified
- 2026-10-15
Fleet and drivers
- Drivers
- 7
- Power units
- 7 trucks
- Driving radius
- Regional / long haul (7 drivers beyond 100 miles) (7 interstate, 0 intrastate)
- Annual mileage
- 60,000 miles (2025 filing)
- Fleet size band
- 5–10 drivers
- Last FMCSA filing
- MCS-150 updated Apr 20, 2026
Figures come from the carrier's own FMCSA registration filings and are self-reported.
Business categories
- Waste Disposal-Medical
- Waste Recycling & Disposal Service & Equipment
Services mentioned on the company website
Keywords read from sharpsdisposal.com in Sep 2026. Confirm services and pricing with the company.
About this hauler
GRP & Associates Inc is a waste hauler based in Mason City, Iowa, in Cerro Gordo County. It has been registered with the Federal Motor Carrier Safety Administration since 1991 (USDOT 441104) and files as an interstate carrier hauling Regulated Medical Waste. Its latest filing lists 7 drivers and 7 power units, with 60,000 miles driven in 2025. It is listed under waste disposal-medical, waste recycling & disposal service & equipment, and its website mentions waste disposal. The nearest landfill is Landfill of North Iowa in Clear Lake, 5.4 miles away.
Nearby facilities
- River City Bins Recycling 0.2 mi · Mason City, IA
- Alter Metal Recycling - Mason City Recycling 1.9 mi · Mason City, IA
- Mason City Recycling Center Recycling 2.5 mi · Mason City, IA
- Landfill of North Iowa Landfill 5.4 mi · Clear Lake, IA
- Buck's Recycling Recycling 9.0 mi · Manly, IA
- B20 Auto Recycling 9.0 mi · Clear Lake, IA
- Worth County Recycle Center Recycling 14.3 mi · Kensett, IA
- Kwik Service Redemption Center Recycling 21.1 mi · Osage, IA
- Olive Ave Redemption Recycling 22.7 mi · Sheffield, IA
- Central Disposal Landfill Landfill 24.7 mi · Lake Mills, IA
Nearest landfill: Landfill of North Iowa, Clear Lake — 5.4 mi
Other waste haulers nearby
- Holt & Sons Sanitationsame town · Mason City, IA · 8 drivers
- WMsame town · Mason City, IA · 31 drivers
- Hewitt Hauling LLCsame town · Mason City, IA · 4 drivers
- Madsen Concrete Septic Tank9.2 mi · Plymouth, IA · 1 driver
- D&L Sanitation Inc19.0 mi · Sheffield, IA · 7 drivers
Is this your company? Claim your free profile to update your services, service area and contact details. Claim this profile
Area served
Based in Mason City; towns within 15 miles: Mason City, Rock Falls, Plymouth, Manly, Clear Lake, Nora Springs, Rockwell, Swaledale, Hanlontown, Kensett, Grafton, Rockford.
County context
One of 5 waste haulers in Cerro Gordo County, IA and one of 356 waste haulers in Iowa.
ZIP 50401 at a glance
- Population
- 28,703 (75 per sq mi)
- Median age
- 42
- Households
- Median income $66,072 · 28% earn six figures
- Housing
- 66% owner-occupied · median home value $145,892 · median rent $875
- Workforce
- 64% labor-force participation · 2.7% unemployment
ZIP figures are US Census estimates for the ZIP area, not the company.
Iowa solid-waste agency: Iowa Department of Natural Resources (DNR)
Disposal options for this hauler
4 recycling centers and 1 landfill in Cerro Gordo County.