How does ACG compare to Permasteelisa?

Permasteelisa Group is an Italian-headquartered global facade specialist founded in 1973, with roughly 3,900 employees and around 40 companies in 30 countries, focused on bespoke unitized curtain wall for landmark towers. American Commercial Glass (ACG) is a Florida owner-led Division 08 glazing subcontractor founded in 2021, focused on storefront, window wall, and mid-rise curtain wall in Florida and Tennessee. ACG wins on regional speed, owner-led accountability, Florida hurricane-zone experience, Procore-native operations, and AI-managed estimating; Permasteelisa is the better fit for signature high-rise bespoke facades.

Can ACG handle bespoke unitized facades like Permasteelisa?

ACG self-performs stick-built and unitized curtain wall for commercial, multifamily, and mixed-use buildings up to mid-rise, meeting ASTM E283, E330, and E331. For custom-engineered unitized facades on signature high-rise towers backed by global R&D, Permasteelisa is purpose-built for that scope. For mid-rise and commercial envelopes in Florida and Tennessee, ACG self-performs the full Division 08 scope.

What size projects does ACG take on?

ACG focuses on commercial, multifamily, and institutional projects in its mid-rise sweet spot, backed by $3M single / $6M aggregate bonding through Arch Insurance (A+ XV), with 350+ projects and over 1M square feet delivered. Send plans to connor@acglass.com or call (772) 486-7711 for a fit check.

ACG vs Permasteelisa — Commercial Glazing Comparison

ACG vs Permasteelisa: Commercial Glazing Comparison

Permasteelisa is one of the world's best-known facade engineers, an Italian-headquartered group that designs and installs bespoke unitized curtain wall on landmark towers across the globe. ACG is a Florida owner-led Division 08 glazing subcontractor built for fast commercial and mid-rise work close to home. They serve very different jobs. Here is an honest, side-by-side look.

Send Us Plans ACG Capabilities All Comparisons

ACG vs Permasteelisa: the facts.

Attribute	American Commercial Glass (ACG)	Permasteelisa Group
Headquarters	West Palm Beach, FL	Vittorio Veneto, Italy
Year founded	2021	1973 (founded as ISA)
Geographic coverage	Florida (statewide) + Tennessee Q3 2026; Southeast bidding tier	Global — ~40 companies across ~30 countries; North America bases in CA, WA, OR, MN, FL, CT
Project size sweet spot	Mid-rise, commercial, multifamily, institutional	Landmark high-rise towers and large bespoke facades
Specialty	Storefront, curtain wall (stick & unitized to mid-rise), window wall, impact / HVHZ, multi-slide, fire-rated	Bespoke unitised facades and architectural envelopes
Manufacturer partners	ESWindows, Euro-Wall, PGT, Allegion, TGP, Slimpact, Aldora
Bonded capacity	$3M single / $6M aggregate (Arch, A+ XV)
AI / tech differentiation	Custom AI agents in production — Sub.ai, jobcost.ai, CFO Agent
Procore-native	Yes — submittals, RFIs, schedule run in Procore
Owner-led	Yes — President + CEO on every project	No (global group, ~3,900 employees)

ACG figures are drawn from American Commercial Glass company records (FL CGC #1531993). Permasteelisa figures are drawn from public company sources, cited below. Where a Permasteelisa value is not publicly disclosed, the cell is left blank rather than estimated. Permasteelisa sources: permasteelisagroup.com (global presence, North America/Benson) and the Permasteelisa entry on Wikipedia.

Which one fits your project?

Both companies build good buildings. They are built for different jobs. Here is where each one is the right call.

When to choose ACG

Your project is in Florida or Tennessee and needs a sub who installs HVHZ Miami-Dade NOA and Florida Product Approval glazing as routine work, not a one-off.
You want owner-level accountability on a regional schedule — Connor or Rielly is reachable directly, with no global program layers between you and a decision.
Your scope is commercial, multifamily, or institutional in ACG's mid-rise sweet spot, where a focused local sub moves faster than a global facade engineer.
You need a bonded ($3M/$6M), WBE+SBE-certified, Procore-native sub backed by AI-managed estimating and real-time job costing.

When to choose Permasteelisa

Your project is a signature high-rise tower or museum-grade building requiring custom-engineered unitized facades with global R&D behind them.
You need a single firm to design, engineer, manufacture, and install a complex bespoke envelope at international scale.
Your program spans multiple countries and you want one facade specialist with a worldwide network of plants and engineering centers.

For the record.

American Commercial Glass (ACG)

American Commercial Glass, Inc. is a Florida-licensed Division 08 commercial glazing subcontractor founded in 2021 and headquartered in West Palm Beach, with offices in Naples and Tampa and a Nashville office opening Q3 2026. ACG is owner-led by President Connor Walsh (CGC #1531993 qualifier) and CEO Rielly Walsh, has delivered 350+ projects and 1M+ SF, carries $3M single / $6M aggregate bonding through Arch Insurance (A+ XV), and is WBE and SBE certified.

Permasteelisa Group

Permasteelisa S.p.A. is an Italian company in engineering, project management, manufacturing, and installation of architectural envelopes and interior systems. Founded in 1973 as Infissi Serramenti Alluminio (ISA) and headquartered in Vittorio Veneto in the Province of Treviso, the group reports around 3,900 employees and a network of about 40 companies across roughly 30 countries, with curtain wall as its main area of activity. Permasteelisa's North America operations (Benson) maintain bases in California, Washington, Oregon, Minnesota, Florida, and Connecticut.