Formal:
* Company Profile
* Business Summary
* Corporate Overview
* Company Description
* Executive Summary
* Business Synopsis
Informal:
* About Us
* Our Story
* What We Do
* Company Snapshot
* The Big Picture
* A Look Inside
More specific:
* Industry Landscape (if focusing on market context)
* Operations Overview (if focusing on internal processes)
* Financial Highlights (if focusing on performance)
The best alternative depends on the specific audience and purpose of your document.