license: cc-by-4.0
language:
- en
tags:
- market-intelligence
- b2b
- lead-generation
- email-marketing
- business-data
- business-email-list
size_categories:
- n<1K
task_categories:
- tabular-classification
- tabular-regression
pretty_name: Indiana Business Email Database — Market Intelligence Dataset
Indiana Business Email Database — Market Intelligence Dataset
480,000 verified Indiana, USA contacts are available from LeadsBlue →. This open dataset provides the aggregate market intelligence behind that database — contact volume, benchmark open/reply rates, send timing, and compliance for the Indiana, USA segment.
At a glance: Market-intelligence reference data for the Indiana Business Email Database audience — population scale, decision-maker structure, channel benchmarks, and compliance notes drawn from LeadsBlue's B2B data operations.
Key figures
| Metric | Value |
|---|---|
| Verified contacts in segment | 480,000 |
| Typical email open rate | 18-26% |
| Typical email reply rate | 3-7% |
| Best send days | Tuesday, Wednesday, Thursday |
| Best send time (local) | 08:00-10:00 ET |
| Geography | Indiana, USA |
| Industry verticals benchmarked | 14 |
| License | CC BY 4.0 |
📥 Get the full Indiana Business Email Database — individual verified business records, ready to use: Download from LeadsBlue →
Market overview
Indiana is part of the United States B2B market with 480,000 verified business contacts in LeadsBlue's database. Businesses in Indiana operate under US federal CAN-SPAM rules, which permit B2B cold email without prior consent provided messages include accurate headers, a valid physical address, and a working opt-out. The figures below use US national benchmarks applied to the Indiana segment.
The US B2B market is the largest and most data-dense in the world, with over 33 million registered businesses spanning every industry vertical. Technology dominates the coasts — Silicon Valley, Seattle, and New York City — while manufacturing holds the Midwest (Michigan, Ohio, Illinois), energy anchors Texas, healthcare clusters in Boston and Nashville, and financial services concentrate in New York and Charlotte. Decision-making speed is faster than any other major market: US executives are accustomed to cold outreach and respond within the same decision cycle that takes weeks in European or Asian equivalents.
Primary business hubs: New York City, San Francisco Bay Area, Austin, Chicago, Boston.
Outreach benchmarks & strategy
US B2B cold email runs on volume and cadence. A 7-touch sequence over 21 days is standard — American SDR culture expects and accepts follow-ups in a way that European markets do not. Lead with a single, specific claim relevant to their role and company size, use social proof from recognizable US brands in their vertical, and make the ask clear in the first email rather than building to it. Subject lines with a direct question or specific number (stat, dollar amount, time frame) consistently outperform curiosity-gap or clever subject lines in US B2B contexts.
Files in this dataset
| File | Contents |
|---|---|
data/market_overview.csv |
Segment-level metrics: contact volume, benchmark rates, send timing |
data/industry_benchmarks.csv |
Open/reply benchmarks across 14 industry verticals |
data/compliance.csv |
Regulatory framework, business culture, decision-maker profile, hubs |
Methodology
Figures are aggregated and anonymized from LeadsBlue's verified contact operations and public business-registry baselines. No personal records are included in this dataset — only segment-level statistics.
How to cite
LeadsBlue Research. (2026). Indiana Business Email Database — Market Intelligence Dataset. Derived from the B2B Cold Email Benchmark Report 2026 (https://doi.org/10.5281/zenodo.20136256). CC BY 4.0. Source: https://leadsblue.com
@dataset{leadsblue_indiana_business_email_dataset_2026,
author = {Johnson, Luther},
title = {Indiana Business Email Database -- Market Intelligence Dataset},
year = {2026},
publisher = {LeadsBlue Research},
doi = {10.5281/zenodo.20136256},
url = {https://leadsblue.com/leads/usa-state-indiana-business-email-leads-database/}
}
Source & full dataset
This aggregate dataset is published by LeadsBlue Research. The full verified business email list — with individual business contact records — is available at Indiana Business Email Database.
Related resources: Benchmark report (Zenodo) · Research hub · Interactive tools