Asphalt
Asphalt
Falconer-Ready-Mix
Dunkirk-Ready-Mix
Warren Ready-Mix
Corbett-Hill-Gravel
Frew-Run-Gravel
Opalecky-Gravel
Waterboro-Gravel
Supply & Equipment Rental
Heating & Air / Plumbing
(716) 664-5108 Monday - Friday 6:00am - 4:30pm 74 Walden Ave., Jamestown, NY 14701
(716) 665-4504 Monday - Friday 6:30am - 4:30pm 1946 New York Ave., Falconer, NY 14733
(716) 363-6062 Monday - Friday 7:00am - 3:30pm 852 Main Street, Dunkirk, NY 14048 
(814) 723-5555 Monday - Friday 7:00am - 4:00pm 80 Yeagle St., Warren, PA 16365 
(716) 358-4420 Monday - Friday 6:00am - 5:00pm 11030 Moore Road, Randolph, NY 14772 
(716) 569-4712  Mon - Fri 6:00am - 4:00pm Sat. 7:00 - 11:30am 1060 Frew Run Rd., Frewsburg, NY 14738 
(716) 782-3085   Monday - Friday On Call Saturday On Call 2148 Open Meadows Rd, Ashville, NY 14710 
(716) 267-2029   Monday - Friday On Call Saturday On Call 21 Route 394,  Kennedy, NY 14747 
(716) 487-0168    Monday - Friday 7:30am - 4:30pm 1801 Washington Street, Jamestown, NY 14701 
(716) 488-8275    Monday - Friday 8:00am - 4:30pm 1903 Washington Street, Jamestown, NY 14701 
SALES
SERVICE
SUPPLY
WORK HERE

MACADAM

We are suppliers of a wide range of hot mix asphalt products, ready-mix concrete, as well as quality sand and gravel products. 

MANUFACTURING

We are manufacturers of NPCA and ASTM quality precast products, used in a variety of applications including municipal projects as well as commercial and residential construction. 

We are a fully equipped fabricating and welding shop with engineering capabilities. 

MECHANICAL

We provide quality HVAC, plumbing and water treatment services for commercial as well as residential customers throughout WNY and NW Pennsylvania 

MUNICIPAL & CONSTRUCTION SUPPLIES

Visit our Retail Store on Washington Street

We have over 200,000+ items available and if we do not have it in stock, special orders are welcome. Additionally, we offer a line of rental construction equipment and tools that are serviced on site by our qualified staff.

OUR LOCATIONS

ASPHALT

74 Walden Avenue
Jamestown, NY 14701
(716) 664-5108

CONCRETE

FALCONER 
1946 New York Avenue 
Falconer, NY 14733
(716) 665-4504

DUNKIRK 
852 Main Street 
Dunkirk, NY 14048
(716) 363-6062

WARREN, PA 
80 Yeagle Street 
Warren, PA 16365
(814) 723-5555

AGGREGATE

CORBETT HILL 
11030 Moore Road
Randolph, NY  14772
(716) 358-4420

FREW RUN GRAVEL 
1060 Frew Run Road 
Frewsburg, NY 14738
(716) 569-4712

IVORY GRAVEL 
1501 Coldspring Road 
Frewsburg, NY 14738
(716) 569-2197

OPALECKY GRAVEL 
2148 Open Meadows Road 
Ashville, NY 14710
(716) 782-3085

STOW GRAVEL 
3320 West Lake Road 
Stow, NY  14785
(716) 607-2099

WATERBORO GRAVEL
21 Route 394 
Kennedy, NY 14747
(716) 267-2029

RETAIL STORE

JMI SUPPLY & EQUIPMENT RENTAL 
1801 Washington Street 
Jamestown, NY. 14701
(716) 487-0168

PRECAST

1029 Poland Center Road
Kennedy, NY 14747
(716) 456-1619

SERVICES

HEATING & AIR 
PLUMBING & WATER TREATMENT

1903 Washington Street 
Jamestown, NY 14701
(716) 488-8275

STEEL

INDUSTRIAL WELDING & FABRICATING
121 Jackson Avenue W.E.
Jamestown, NY 14701
(716) 483-1411

Company News

Special Events & Accomplishments

JMI Answers the Call for Help in the City of Buffalo  

On January 17, 2023, JMI dispatched seven trucks to assist with snow removal in the...
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JMI Employees Give to 2023 United Way Fundraising Campaign

In 2023, JMI employees contributed a total of $8,602 to the UWSCC’s $1.4 million fundraising...
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Festive Fun for the Whole JMI Family 

JMI employees and their families came together in celebration of the holiday season and together,...
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Career Opportunities

We have a variety of year-round and seasonal job opportunities at our locations throughout Western New York and Northwest Pennsylvania.