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Harold Collier Email & Phone Number

Director of Building Automation Services at NAI

Location: Warrior, Alabama, United States 3 work roles 1 school

1 work email found @naihorizon.com 4 phones found area 205 LinkedIn matched

✓ Verified Jun 2026 4 data sources Profile completeness 100%

Current company

NAI

Role

Director of Building Automation Services

Location

Warrior, Alabama, United States

Company size

31 employees

Who is Harold Collier? Overview

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Quick answer

Harold Collier is listed as Director of Building Automation Services at NAI, a company with 31 employees, based in Warrior, Alabama, United States. AeroLeads shows a work email signal at naihorizon.com, phone signal with area code 205, and a matched LinkedIn profile for Harold Collier.

Harold Collier previously worked as Director of Building Automation Services at Champion Commercial Hvac and Vice President at Nai. Harold Collier holds Diesel Engineering Technology, Diesel Engineering, A from Brazosport College.

Company email context

Email format at NAI

This section adds company-level context without repeating Harold Collier's masked contact details.

{first}.{last}@naihorizon.com

86% confidence

AeroLeads found 1 current-domain work email signal for Harold Collier. Compare company email patterns before reaching out.

View email format View company profile Management contacts

Profile bio

About Harold Collier

I have been working in the mechanical field all of my life. I have training and experience in Diesel Engineering technology, electronic engineering technology, HVAC, plumbing, Gas Fitter, elevators, Building Automation Systems and basically any area of Facility Management.I have traveled the world testing and modifying HVAC and refrigeration systems for the pharmaceutical industry. I test the mechanical systems design and functionality and the Automation controls. I modify the control programming to insure the tight compliance necessary to meet the pharmaceutical industry requirements. My work has taken me to over 40 countries.I am currently the Director of Building Automation Services for Champion Commercial HVAC located in Pelham, Alabama.

Listed skills include Construction, Contractors, Contract Negotiation, Project Management, and 16 others.

Current workplace

Harold Collier's current company

Company context helps verify the profile and gives searchers a useful next step.

Nai

Director of Building Automation Services

Website

naiacoustics.com

Employees

31

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Company profile

View company profile Email format

3 roles

Harold Collier work experience

A career timeline built from the work history available for this profile.

Director Of Building Automation Services

Current

Champion Commercial Hvac

120 Hilltop Business Drive, Pelham AL 35124

Sep 2019 - Present

Vice President

Nai

President

Diamond C Mechanical

Diamond C Mechanical was a full service mechanical contractor company. Everything from chiller and boiler to small mini-split unit installation and maintenance. DCM was heavy into building automation.

Oct 2006 - Nov 2010

Team & coworkers

Colleagues at NAI

Other employees you can reach at naiacoustics.com. View company contacts for 31 employees →

GT

George Tyson Colleague at NaiSan Antonio, Texas, United States, United States View → DD

Dip Das Colleague at NaiBangladesh, Bangladesh View → RR

Rama Rao Cina(H) Colleague at NaiKurnool, Andhra Pradesh, India, India View → BC

Ben Carter Colleague at NaiVerona, Wisconsin, United States, United States View → VS

Vikrant Sharma Colleague at NaiMau, Uttar Pradesh, India, India View → NS

Nai Saech Colleague at NaiChiang Rai, Thailand, Thailand View → MA

Muhammad Anisur Rahman Colleague at NaiBangladesh, Bangladesh View → JC

Joanne Connor Colleague at NaiGreater Dublin, Ireland View → SR

Siddiqur Rahman Sajal Colleague at NaiBangladesh, Bangladesh View → VS

Vanesa Silva Colleague at NaiVictoria, Buenos Aires Province, Argentina, Argentina View →

1 education record

Harold Collier education

Brazosport College

A

FAQ

Frequently asked questions about Harold Collier

Quick answers generated from the profile data available on this page.

What company does Harold Collier work for?

Harold Collier works for NAI.

What is Harold Collier's role at NAI?

Harold Collier is listed as Director of Building Automation Services at NAI.

What is Harold Collier's email address?

AeroLeads has found 1 work email signal at @naihorizon.com for Harold Collier at NAI.

What is Harold Collier's phone number?

AeroLeads has found 4 phone signal(s) with area code 205 for Harold Collier at NAI.

Where is Harold Collier based?

Harold Collier is based in Warrior, Alabama, United States while working with NAI.

What companies has Harold Collier worked for?

Harold Collier has worked for Champion Commercial Hvac, Nai, and Diamond C Mechanical.

Who are Harold Collier's colleagues at NAI?

Harold Collier's colleagues at NAI include George Tyson, Dip Das, Rama Rao Cina(H), Ben Carter, and Vikrant Sharma.

How can I contact Harold Collier?

You can use AeroLeads to view verified contact signals for Harold Collier at NAI, including work email, phone, and LinkedIn data when available.

What schools did Harold Collier attend?

Harold Collier holds Diesel Engineering Technology, Diesel Engineering, A from Brazosport College.

What skills is Harold Collier known for?

Harold Collier is listed with skills including Construction, Contractors, Contract Negotiation, Project Management, Contract Management, Strategic Planning, Construction Management, and Hvac.

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