Winners of the 2025 STI/SPFA Steel Product Awards were announced on February 26, 2026, during the STI/SPFA Annual Meeting in Clearwater Beach, FL.
Member companies were recognized across fifteen different categories. This year’s entries used a combined total of over 145,000 tons of steel.
Steel Water Pipe Project of the Year
Pipe Fabrication
Mid America Pipe
Rinconada Water Treatment Plant
Overall Height/Length: 1200
Diameter: 66, 48, 42, 24
Steel Tonnage: 105
Steel Thickness: 0.375
Steel Fitting Type: AWWA C208
This project was for a water treatment plant that required pipe sizes ranging from 24-inch up to 84-inch to supply 12 filters with water for treatment.
Pipeline Project
Mid America Pipe Fabricating & Supply, LLC
Milestone Reservoir Tunnel & Shaft
Overall Height/Length: 1,010
Diameter: 42″, 36″
Steel Tonnage: 67.125
Steel Thickness: 0.3125
Steel Fitting Type: C208
This project involves converting an abandoned quarry into a raw water storage and pumping facility fed by the Potomac River. The work includes excavating a 6 foot diameter vertical shaft 239 feet deep, a 778 foot long horizontal tunnel, and installing new 36 inch and 42 inch steel water pipelines within the shaft and tunnel.
Field Erected Tank of the Year
API 620 Low Pressure Liquid Storage Tank
Tarsco
Two Double Wall Low Temperature Tanks at New Ammonia Export Terminal in Texas
Overall Height/Length: 105 ft high
Column Height: n/a
Diameter: 192 ft diameter
Capacity (gallons): Two tanks at 50,000 metric tons each
Steel Tonnage: 6,617
Steel Thickness: up to 1.59″ thick
Contractor was responsible for the engineering, procurement, fabrication, construction, testing, startup/validation and commissioning of two (2) double-walled 50,000 MT ammonia storage tanks, ammonia refrigeration system, export loading pumps and other ancillaries for the project facility in Beaumont, TX. These identical double-walled tanks are 192’ diameter x 105’ high, dome roof with suspended insulated deck. With over 13,234,000 lbs (6,617 tons) of steel, most of the inner and outer tank components consisted of ASTM A516-70 carbon steel plate.
API 650 Atmospheric Oil Storage Tank
CB&I
Thermal Energy Storage – TES Pre-Purchase
Overall Height/Length: 75′-0″
Column Height: NA
Diameter: 75′-0″
Capacity (gallons): 2,445,546
Steel Tonnage: 192
Steel Thickness: 0.25″ – 0.63″
This unique TES tank included the design, procurement, fabrication, construction and painting. The 18,400 Ton-hr was designed to API 650 to assist with both heating and cooling. The university selected a cladding pattern that would match their existing chiller plant.
ASME Pressure Vessel
CB&I
Miami-Dade Central District Methane Spheres
Overall Height/Length: 82′-6″
Column Height: 42′-6″
Diameter: 80′-0″
Capacity (gallons): 4,010,000 (Total Capacity)
Steel Tonnage: 545
Steel Thickness: .0.25″ – 1.375″
This was a lump sum project to provide the EPFC for two (2) new 80′-0″ DIA Methane Storage Spheres. They were designed to ASME Section VIII, Division I, 2021 Edition. Included in the EPFC scope was the pneumatic testing and the exterior coating system.
Elevated Tank
CB&I
Winslow Water Tank Replacement Project
Overall Height/Length: 111′
Column Height: 71′
Diameter: 78′
Capacity (gallons): 2,000,000
Steel Tonnage: 596
Steel Thickness: 0.25″ to 1.75″
The Winslow Water Tank Replacement Project is a 2,000,000-gallon, all-steel and all-welded, fluted column elevated water storage tank for the City of Bainbridge Island, WA. The municipality selected the Hydropillar design as a more economical and practical solution over a composite elevated tank.
Reservoir
CB&I
Thermal Energy Storage Tank
Overall Height/Length: 84′-0″
Column Height: NA
Diameter: 150′-0″
Capacity (gallons): 10,575,336
Steel Tonnage: 930
Steel Thickness: 0.25″ – 1.337″
The project consisted of the engineering, procurement, fabrication and construction of a 150ft diameter x 84ft high “All Steel” Thermal Energy Storage (TES) tank that will provide significant operational savings reducing cooling costs for the client.
Special Storage
Paso Robles Tank, Inc
Cordelia Winery Expansion
Overall Height/Length: 34-10
Column Height: 30
Diameter: 30
Capacity (gallons): 169987
Steel Tonnage: 290
Steel Thickness: 7ga 10ga 12g
Fourteen double-walled, insulated field-erected wine tanks were constructed using stainless steel inner vessels with dimple jacketing for glycol temperature control throughout fermentation and storage. Each tank is 30 feet in diameter and height, insulated with polyisocyanurate foam and clad in polished stainless steel. The tanks were erected top-down using MIG and TIG welding, fabricated under A-frames, and set in final position. Over 290 tons of stainless steel were used, providing a combined capacity of 2.38 million gallons.
Standpipe
Paso Robles Tank, Inc
Southeast 1.5MG Reservoir
Overall Height/Length: 128-6
Column Height: NA
Diameter: 46-0
Capacity (gallons): 1500000
Steel Tonnage: 305
Steel Thickness: 1/4″ to 1 1/2
This AWWA welded steel standpipe in Yelm, Washington provides 1.5 million gallons of water storage with an overall height of 128 feet 6 inches and a 46-foot diameter. Constructed with 305 tons of steel, it features a self-supporting umbrella roof, internal mixing system, and a clean exterior suited for a large-scale mural. Welded steel enabled a tall, efficient footprint, rapid field erection, and long-term durability. The finished tank serves as both critical infrastructure and a prominent community landmark.
Repair and Modification
Paso Robles Tank, Inc.
2.0 MG Korblex Reservoir Seismic Retrofit
Overall Height/Length: 34-0
Column Height: 39-0
Diameter: 130-0
Capacity (gallons): 2.0MG
Steel Tonnage: 224
Steel Thickness: 1/4 to 1/2
This seismic retrofit project included removal of the existing roof, structure, appurtenances, and the top two feet of shell plate. A new shell ring and two-bay external press-brake formed roof were installed with supporting columns and an open halo support system. The press-brake rafter configuration provides strong structural capacity without internal roof obstructions, improving access, maintenance, and service life. Work also included new roof appurtenances, baffle and cathodic protection systems, shell reinforcement plates, and accommodation of existing penetrations and anchors.
Fabricated Product of the Year
Pressure Vessel
Ward Vessel and Exchanger Corp
Pharma Tanks
Overall Height/Length: 48
Column Height: 32
Diameter: 17
Capacity (gallons): 50000
Steel Tonnage: 100000
Steel Thickness: 0.75
This project consisted of (6) identical vessels 192” ID x 384” long (316/316LL Stainless Steel). (2) of these vessels also had 2” thick insulation with 3/16” thick SS sheathing covering the entire unit. All of this sheathing had to be seal-welded, which meant utilizing blockout rings for nozzles and custom-designed/fit boxes where the legs fit up to the bottom head. These vessels were transported via barge on the Mississippi River to their ultimate destination in Indiana.
Shop-Fabricated Atmospheric Tank
AGI Westeel
FAME Blending Vertical Storage Tanks
Overall Height/Length: 27′ 11″
Column Height: 22′ 4″
Diameter: 11′ 7″
Capacity (gallons): 170,390 gallons (over 9 tanks)
Steel Tonnage: 138 tons (over 9 tanks)
Steel Thickness: 3/8″ at thickest (floor) and 1/4″ at thickest (sidewall)
Our submission was a high profile, 9 tank FAME (bio-diesel) blending storage project, located in Toronto, Ottawa, London, and Oakville, Ontario, for Canada’s third largest oil and gas producer. Scope included the design and build of all vertical storage tanks, including internal lining, external coating, heat trace, insulation/cladding, and custom accesses, all managed in-house through our Project Management team. The project required interfacing with third-party, client-sourced consultants as well as the end customer. All tanks were subject to 6 inspection points.
Special Fabrication
Kennedy Tank
(2) Water Treatment Units
Overall Height/Length: 37′ 6″
Column Height: 37′ 6″
Diameter: 29′ 6″
Capacity (gallons): N/A
Steel Tonnage: 108 (54 per unit)
Steel Thickness: 1/2″
This project included two large shop-built water treatment units. Each unit contains three individual sections which are installed together as one integrated assembly, standing 37′-6″ tall. At the bottom, two multi-chamber filter sections form a 16′ ID x 29′-6″ OD peripheral filter unit. Installed on top is a 16′ OD cylindrical detention tank. All together, the unit includes 100+ circular baffles, heavy stiffeners and extensive internal piping. All complete with an internal lining system and OSHA guardrails.
STI Technology
Lannon Tank Company
3-15,000 Gallon UL-2085 Fireguard Container Tanks w/Pump Rooms
Overall Height/Length: 10′
Column Height: 10′
Diameter: 9’6″
Capacity (gallons): 15000
Steel Tonnage: 40,000 lbs.
Steel Thickness: 1/4″
3-15,000 Gallon UL-2085 Fireguard Biodiesel and Diesel Container Tanks with 38″ Long Pump Rooms.
Affiliate New Product of the Year
Tnemec Company, Inc.
Series 1061 Oculox
Series 1061 Oculox is a water-based, silicon-grafted composite topcoat that delivers exceptional color stability, gloss retention, and durability—surpassing traditional solvent-based polyurethanes and polysiloxanes. Its advanced chemistry protects against UV degradation while offering easy brush, roll, or spray application with labor-saving dry-fall characteristics. Low VOC, isocyanate-free, and environmentally compliant, Oculox is an ideal topcoat for exterior steel and concrete, tanks, marine vessels, and other applications requiring long-lasting performance and visual impact.
See all Product Award submissions and winners from previous years.
