About ATS

About ATS Spec Solutions


A Smart Specification System

The ATS Spec Tool is the only cloud-based Specification Information System that connects the design community with the leading building product manufacturers’ products in the construction industry. Save time designing specs in the user-friendly interface SpecTool. With ATS, designers can review building product manufacturers’ (BPM) product details and build customized and accurate documents including:

  •  Plumbing Fixture Schedules
  •  Bathroom Accessories Schedules
  •  Interior Finish Schedules
  • Drainage Speciality Schedules
  • Backflow Schedules
  • Hot Water Schedules
  • Fixture Schedules
  • Submittals
  • Customized Project Presentations
  • Manufacturers Spec Sheets
  • CSI 3 Part Spec
  • Revit Files

Packages are produced complete with images, product details, and budget pricing.



We apply our specification expertise, experience, and service to help our clients succeed in the construction marketplace.

ATS Spec Tool provides a free technical specification service to mechanical consulting engineers, architects and interior designers in the North American construction marketplace. Our systems and services allow users to build customized specifications unique to their particular application with the support and assistance of the ATS Team.

ATS Spec tool is a part of Allied Technical Solutions which creates software solutions for BPMs, wholesalers and independent sales reps.. To learn more about other software solutions click here


After having worked in the mechanical consulting engineering sector for many years, Lou Petro formed ATS in 1969 with the aim of providing technical specification information to all designers.

Over the next 15 years, ATS slowly expanded its coverage area to span all of the Greater Toronto Area, with further expansion naturally occurring as designers using the specification service moved outside of Toronto. Expansion was facilitated and made possible due to technological advances, such as the proliferation of the fax machine. By the mid-1980’s, ATS’ coverage extended to most of southern Ontario.

Further expansion occurred throughout the 1990’s and today, with the use of computers, e-mail and the Internet, ATS has a coverage area consisting of the major metropolitan centers in Canada and the United States.


  • null


    Lou Petro started Allied Technical Services Inc. with one goal in mind: to provide the Metro Toronto Design Community with the most comprehensive plumbing specifications service on the market.

  • null


    The first ATS Manual was published.

  • null

    1998 - 1999

    The Montreal branch started in March with only one employee working to establish the ATS service in Quebec and opened their first physical location in Montreal.

  • null

    2002 - 2003

    ATS expanded its specification services to Western Canada.

  • null


    Using the same product date available to engineers ATS launched a wholesale quotations program via ATS Project Tracker. The software made it easy to quote plumbing projects for wholesalers and track a project from design to quote and selling products to mechanical contractors.

  • null

    2007 - 2008

    ATS launched an online plumbing information specification system, ATS Spec Tool. The first of it’s kind. Followed by the ATS BIM Library and Visual Spec Builder. In May 2008, ATS expanded to the United States.

  • null

    2014 - 2016

    In the following year, a wholesale quotations program via ATS Project Tracker, our job tracking and flexible quote modules goes live.

  • null


    ATS launched a refactored ATS Spec Tool 3.0 with core feature enhancements incorporating existing users feedback.


Our personnel of expert team members located across North America work together to offer seamless specification services to Designers.

ATS considers its business to be, first and foremost, about our clients, and we are deeply committed to providing them with exceptional service. We are recognized for our construction specification expertise and experience, which we apply to help our clients succeed. We have a strong work ethic and will do all that we can to assist our clients complete their projects in a timely and efficient manner.

As always, we would be pleased to assist you, and answer any questions you may have concerning any of our FREE spec writing tools and services. Whether it is spec or tech related, we invite you to contact us.