Insights

Gathering insights about Day One…

Similar companies to Day One

Day One Tech Stack

Day One uses 8 technology products and services including RSS, ADP, JSON-LD, and more. Explore Day One's tech stack below.

RSS
Content Management System
ADP
Human Resource Management System
JSON-LD
Javascript Frameworks
Stripe
Payment Processing
Flywheel
Platform As A Service
Yoast SEO
Search Engines
X-XSS-Protection
Security
X-Content-Type-Options
Web & Portal Technology

Media & News

Day One closes offices in Portland, Oregon, United States.
As a result, Day One has closed its South Portland office to client visits.
Mar 24, 2020 | day-one.org

Day One's Email Address Formats

Day One uses at least 1 format(s):

Day One Email Formats	Example	Percentage
FirstL@day-one.org	JohnD@day-one.org	49%
F.Last@day-one.org	J.Doe@day-one.org	1%
FirstL@day-one.org	JohnD@day-one.org	49%
F.Last@day-one.org	J.Doe@day-one.org	1%

Frequently Asked Questions

Where is Day One's headquarters located?

Day One's main headquarters is located at 86 Tandberg Trail, Windham, Maine 04062, US. The company has employees across 5 continents, including North AmericaEuropeAsia.

What is Day One's phone number?

You can contact Day One's main corporate office by phone at

+1-207-874-****

. For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Day One's official website and social media links?

Day One's official website is day-one.org and has social profiles on LinkedIn.

What is Day One's SIC code NAICS code?

Day One's SIC code is 8093 - Specialty Outpatient Facilities, Not Elsewhere Classified NAICS code is 62133 - Offices of Mental Health Practitioners (except Physicians).

How many employees does Day One have currently?

As of October 2025, Day One has approximately 194 employees across 5 continents, including North AmericaEuropeAsia. Key team members include Chief Executive Officer: L. N.Chief Clinical Operations Officer: B. H.Chief Marketing Officer: J. H.. Explore Day One's employee directory with LeadIQ.

What industry does Day One belong to?

Day One operates in the Mental Health Care industry.

What technology does Day One use?

Day One's tech stack includes RSSADPJSON-LDStripeFlywheelYoast SEOX-XSS-ProtectionX-Content-Type-Options.

What is Day One's email format?

Day One's email format typically follows the pattern of FirstL@day-one.org. Find more Day One email formats with LeadIQ.

When was Day One founded?

Day One was founded in 1973.

Day One

Mental Health CareUnited States51-200 Employees

Day One improves the health of Maine by providing substance use, mental health and wellness services to youth and families. Our vision is that all Maine youth will have opportunities to realize their full potential to live productive, healthy and rewarding lives.

Company Overview

Headquarters: 86 Tandberg Trail, Windham, Maine 04062, US
Phone number: +1-207-874-****
Website: day-one.org
SIC Code: 8093 - Specialty Outpatient Facilities, Not Elsewhere Classified
NAICS Code: 62133 - Offices of Mental Health Practitioners (except Physicians)
Founded: 1973
Employees: 51-200