Reliable supply for every stage of your build.
Infinite Masters Inc. supplies pipes, wires, electrical, plumbing, fire protection and air-conditioning materials to contractors across Metro Manila. We offer trusted brands at competitive prices, with fast delivery from San Juan City.
Fast-moving items
Your partner for quality construction materials
Infinite Masters Inc. (IMI) is a Filipino-owned corporation registered with the Securities and Exchange Commission in October 2015. We specialize in sourcing and supplying high-quality, competitively priced construction products.
Our portfolio covers the core requirements of building projects: mechanical systems, electrical supplies and lighting, plumbing and sanitary materials, air-conditioning and ventilation, fire protection and life safety systems, and the installation supplies that tie them together.
Through an established network of manufacturers and distributors, we deliver dependable, recognized brands to contractors, developers and building owners, backed by professional service.
Download Company Profile (PDF)Quality products, valued partnerships
We provide a comprehensive range of high-quality, competitively priced construction products, and we serve our customers and suppliers as valued partners. Sound financial planning and effective business practices guide our sustainable growth.
The preferred wholesaler in the Philippines
We aim to be recognized for our professionalism, our extensive sales network, and the reliable, safe materials we provide to our customers.
What we supply
A complete range of MEPF and general construction materials, sourced from trusted manufacturers and distributors.
Pipes & Fittings Fast-moving
- Black iron (BI) pipes and fittings
- Galvanized iron (GI) pipes
- Copper pipes, fittings and couplings
- Cast iron pipes, fittings and no-hub couplings
- PPR pipes, fittings and couplings
Electrical & Lighting Fast-moving
- THHN and other building wires and cables
- Panel boards, circuit breakers and busducts
- IMC/EMT pipes, flexible conduits and connectors
- Utility, junction and square boxes
- Universal outlets and wiring devices
- T5 lamps, louver fixtures, emergency and exit lights
Fire Protection & Life Safety
- Fire pumps and jockey pumps
- Sprinkler heads, valves and systems
- Fire detection and alarm systems (FDAS)
- PA / voice alarm / BGM systems
- CCTV systems and pressure gauges
Mechanical
- Chilled water, booster and transfer pumps
- Rotary gear, sump and sewage pumps
- Bladder tanks
- Fans, blowers, fabric and flexible ducts
- Rubber insulation sheets and tubes
Air-Conditioning & Refrigeration
- Split, multi-split and ducted split systems
- Air-cooled and water-cooled chillers
- Air-to-water heat pump systems
- Ventilation, air purifiers and filters
- Refrigeration and marine HVAC
Plumbing & Sanitary
- Water meters
- Cleanouts and drains
- Grease traps
Structural, Roofing & Installation Supplies
- G.I. sheets and purlins
- Hangers, U-bolts and threaded rods
- C-channels, beam clamps and expansion shields
- Bolts, nuts, washers and gaskets
- Teflon tape, epoxy and welding rods
Send us your bill of materials and we'll source it and prepare a quotation.
Common sizes we supply
Reference sizes for our fast-moving items. Other sizes, schedules and brands are available on request. Contact us to confirm stock and pricing.
| Nominal size | DN | Outside diameter | Wall thickness (Sch. 40) |
|---|---|---|---|
| ½" | 15 | 21.3 mm | 2.77 mm |
| ¾" | 20 | 26.7 mm | 2.87 mm |
| 1" | 25 | 33.4 mm | 3.38 mm |
| 1¼" | 32 | 42.2 mm | 3.56 mm |
| 1½" | 40 | 48.3 mm | 3.68 mm |
| 2" | 50 | 60.3 mm | 3.91 mm |
| 2½" | 65 | 73.0 mm | 5.16 mm |
| 3" | 80 | 88.9 mm | 5.49 mm |
| 4" | 100 | 114.3 mm | 6.02 mm |
| 6" | 150 | 168.3 mm | 7.11 mm |
Matching fittings: elbows, tees, reducers, couplings, unions, caps, flanges and grooved couplings.
| Nominal size | DN | Outside diameter | Wall thickness (Sch. 40) |
|---|---|---|---|
| ½" | 15 | 21.3 mm | 2.77 mm |
| ¾" | 20 | 26.7 mm | 2.87 mm |
| 1" | 25 | 33.4 mm | 3.38 mm |
| 1¼" | 32 | 42.2 mm | 3.56 mm |
| 1½" | 40 | 48.3 mm | 3.68 mm |
| 2" | 50 | 60.3 mm | 3.91 mm |
| 2½" | 65 | 73.0 mm | 5.16 mm |
| 3" | 80 | 88.9 mm | 5.49 mm |
| 4" | 100 | 114.3 mm | 6.02 mm |
Matching fittings: GI elbows, tees, reducers, couplings, unions, nipples, plugs and caps.
| Size (mm²) | Approx. AWG | Conductor |
|---|---|---|
| 2.0 | #14 | Solid or stranded |
| 3.5 | #12 | Solid or stranded |
| 5.5 | #10 | Solid or stranded |
| 8.0 | #8 | Stranded |
| 14 | #6 | Stranded |
| 22 | #4 | Stranded |
| 30 | #2 | Stranded |
| 38 – 100 | #1 – 4/0 | Stranded |
| Larger sizes | 250 MCM and up | Stranded, on request |
Other wires & cables: THW and TW building wire, duplex / flat cord (PDX), bare copper, grounding wire, and multi-core power and control cables.
Dimensions follow ASME B36.10 nominal values for reference only. Actual specifications depend on the manufacturer and product standard.
Trusted brands we carry
We source from established manufacturers and distributors across the Philippines.


























Built on service and reliability
Customer Service
Prompt responses, accurate quotations and commitments we follow through on.
Quality Products
Materials from recognized brands that meet accepted standards of quality and reliability.
Competitive Pricing
Our supplier network lets us offer fair, competitive prices on volume orders.
Integrity
Honest, transparent dealings with every customer and supplier.
One-Stop Sourcing
Pipes, wires, fire protection, HVAC and consumables, all from one supplier.
Efficient Delivery
Centrally located in San Juan City to keep your projects on schedule.
Let's talk about your project
Send us your requirements or bill of materials, and our team will get back to you with a quotation.
OfficeSuite 303, The Main Place, 190 N. Domingo St.
Brgy. Corazon de Jesus, San Juan City
Metro Manila 1500
Mobile+63 917 562 5955 / +63 999 995 6550
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SEC Reg. No. CS201521147 · Business Permit No. FMZ-2026-01513
Company registration documents available upon request.