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Trusted Building Supplies in South River, NJ
J.M. Ahle has been a trusted supplier of construction materials for over four decades, specializing in steel reinforcing bar, welded wire mesh, and concrete accessories. Founded by Jim Ahle, our company serves contractors and builders across the Northeastern U.S., offering custom-cut rebar, epoxy-coated options, and steel pipe bollards tailored to infrastructure, commercial, and transportation projects. With five strategically located facilities in New Jersey, Pennsylvania, and Massachusetts, we combine advanced production technology with dedicated in-house delivery to ensure timely, accurate service.

Our team of experts provides precise cost estimates based on engineering drawings, utilizing automated shear lines and bending machinery for precision. As members of leading industry associations like the Concrete Reinforcing Steel Institute and Associated General Contractors Association, we maintain rigorous quality standards while prioritizing customer satisfaction through transparent communication and innovative solutions.
Services
Rebar Supply Concrete Accessories Steel Pipe Bollards Custom Cut Rebar Epoxy-Coated Rebar Welded Wire Mesh Non-Shrink Grouts Patching Materials Self-Leveling Flooring Steel Flitch Plates
Highlights and features
  • We have over 45 years of experience in construction materials supply.
  • Our multiple distribution centers ensure timely deliveries across the Northeast.
  • We provide precise cost estimates using state-of-the-art software.
  • Our team includes trained draftsmen for complex project requirements.
  • We maintain membership in leading industry associations for quality assurance.
Services
Rebar Supply
We provide custom-cut and bent black and epoxy-coated rebar from #3 to #14 sizes for infrastructure, commercial buildings, and transportation projects. Our grade 60 bars come in 20-60 ft lengths with standard or custom bends for cast-in-place, precast, and specialty concrete applications. With in-house delivery trucks and multiple distribution centers, we ensure fast, reliable service across the Northeast.
Steel Pipe Bollards
Our high-quality steel pipe bollards protect buildings and infrastructure from vehicle impacts. Available in 4", 6", and 8" diameters with concrete-filled bases, these durable posts direct traffic, enhance security, and prevent unauthorized access. We offer standard and custom sizes for commercial, government, and transportation applications across Central New Jersey and surrounding states.
Concrete Accessories
We supply non-shrink grouts, patching materials, and self-leveling flooring products for structural repairs and finishing. Our welded wire mesh comes in 5'x10' sheets and 5'x150' rolls with epoxy, galvanized, or stainless-steel options for slabs, bridge decks, and highway construction. Custom sizes are available with minimal lead times.
Welded Wire Mesh
Our welded wire mesh features evenly spaced horizontal and vertical wires for concrete reinforcement. Available in low-carbon or stainless-steel varieties, these pre-fabricated grids strengthen slabs-on-grade, tilt-up panels, and bridge decks. We stock standard 5'x10' sheets and 5'x150' rolls while offering non-stock sizes with quick turnaround times for specialized projects.
Steel Flitch Plates
We supply steel flitch plates and beams for residential and commercial construction. These versatile components reinforce wooden beams in home renovations and structural upgrades. Our products meet industry standards for load-bearing applications, combining steel strength with ease of installation for contractors across the Northeastern United States.
Questions
What areas do you serve?
We serve contractors in New Jersey, lower New York State, Eastern Pennsylvania, Delaware, Maryland, Massachusetts, Connecticut, and Rhode Island.
What rebar sizes do you offer?
We supply black and epoxy-coated rebar from #3 to #14 sizes in 20-60 ft lengths with standard or custom bends.
Do you provide custom fabrication?
Yes, we offer custom-cut and bent rebar using automated machinery and trained draftsmen for precise project requirements.
How can I get a free estimate?
Contact us at (732) 238-1700 or visit our South River, NJ location to receive a free estimate for your construction project.
What concrete accessories are available?
We offer welded wire mesh, non-shrink grouts, patching materials, self-leveling flooring products, and steel flitch plates.
Are your bollards customizable?
Yes, we provide steel pipe bollards in various diameters, heights, and configurations for security, traffic control, and decorative purposes.
Reviews (1)
Stacey Rosa
May 16, 2021 Report
I'm on rt. 18 as a passenger and your truck driver is swerving in and out of lanes with a long bed swinging. Very dangerous!