Ocean.io vs ProsperFleet (Valgen): Different Tools, Different Problems
This comparison shouldn't exist. If you're weighing Ocean.io against ProsperFleet (Valgen), you're comparing a general B2B lookalike prospecting platform against a U.S. commercial fleet database built for people selling parts, telematics, insurance, and maintenance to companies that operate vehicles. It's like comparing Salesforce to a trucking TMS - they share a category label but solve completely different problems.
In a fleet management market projected to hit $52.4 billion by 2026, fleet-specific data matters more than ever. The FMCSA dataset covers roughly 686,000 actively operating companies, and 54% of those are single-vehicle owner-operators. Most general B2B databases don't include DOT/MC numbers or reliable vehicle/fleet-size fields. If you sell into the fleet market, a general prospecting tool is blind to the data you actually need.
30-Second Verdict
Use ProsperFleet if you sell to fleets - parts, telematics, insurance, maintenance, fuel cards, anything where vehicle count and fleet composition matter.

Use Ocean.io if you need general B2B lookalike prospecting and have zero fleet requirements.
Ocean.io at a Glance
Ocean.io's core strength is its lookalike search engine. Feed it your best customers and it finds similar companies using AI-driven discovery. For general B2B prospecting - SaaS, professional services, agencies - it's a functional discovery tool, though not the strongest in its category. If you're building lists at scale, it helps to have a repeatable lead generation workflow. What works:
- Lookalike company and people search that goes beyond standard industry codes
- Easy to use - reps can build lists without RevOps hand-holding
- Starts at about $79/mo (Premium drops to $59/mo on annual billing)
What doesn't:
- Rated 3.1/5 across 12 reviews on G2 - recurring complaints about data inaccuracy and outdated records
- No fleet-specific data model (DOT/MC, fleet-size ranges, equipment-type filters)
- Not a single fleet or trucking case study on their site
For fleet prospecting, Ocean.io is a non-starter.
ProsperFleet by Valgen: Built for Fleet Sales
We've seen teams waste months trying to force general B2B tools into fleet workflows. ProsperFleet exists so you don't have to. The database covers 1.2M companies with 5+ vehicles, 1.6M fleet locations, 30M commercial vehicles, and 2.2M contacts - including light-, medium-, and heavy-duty, from sedans to semis.

What makes ProsperFleet genuinely different from FMCSA-only lists is the depth of its contact and location data. Instead of getting a single generic "safety@" inbox per company, you get multiple named contacts across the buying committee - fleet managers, maintenance directors, operations leads, procurement, and safety officers. The database also covers all company locations, not just headquarters, with search radius filtering down to 5 miles around a ZIP code. Valgen cites customers increasing fleet data coverage from 15% to more than 90% after switching.
Light-duty coverage is another gap ProsperFleet fills - think contractor pickups, cargo vans, and field sales fleets. Records go through monthly maintenance checks including email re-validation, USPS CASS address updates, and job change tracking, backed by a 90% accuracy guarantee with email bounce replacement. There aren't long-term contracts - it's a credit-based subscription. HubSpot integration is available, and Salesforce integration runs through AppExchange as a paid add-on.
One G2 reviewer specifically praised the "light-duty vehicle fleet info that other providers completely miss." That tracks with what we've heard from fleet sales teams: the light-duty segment is where the biggest data gaps live.
Pricing isn't public. Expect roughly $500-2,000/mo depending on users and credit volume. If you're comparing broader data vendors, see our breakdown of B2B company data providers.

ProsperFleet gives you fleet data. But 90% accuracy means 1 in 10 emails still bounce - enough to wreck your sender reputation. Prospeo's 98% verified emails and 5-step verification catch what fleet databases miss, at $0.01 per email.
Run your fleet exports through Prospeo before a single email leaves your outbox.
Head-to-Head Feature Comparison
| Dimension | Ocean.io | ProsperFleet |
|---|---|---|
| Focus | General B2B lookalike | U.S. commercial fleet |
| Fleet data fields | None | DOT/MC, vehicles, equipment type, fleet size |
| Database size | Not disclosed | 1.2M companies, 30M vehicles |
| Data freshness | Not public | Monthly maintenance; many records reviewed within 30-90 days |
| Accuracy guarantee | None public | 90% (bounce replace) |
| Contacts per company | Varies | Multi-contact buying committee |
| CRM integrations | HubSpot, Salesforce (custom) | Salesforce (paid add-on via AppExchange), HubSpot |
| Pricing | From ~$79/mo | ~$500-2,000/mo (est.) |
| Best for | ICP lookalike lists | Fleet vendors |

These tools don't overlap in any meaningful way. Ocean.io can't surface DOT/MC identifiers, vehicle counts, or equipment-type filters. If you need those, there's only one option on this table.
Which Should You Choose?
If you sell to fleets, ProsperFleet is the only real option here. Ocean.io's prospecting workflow isn't built around vehicle counts, equipment types, or location-level fleet data. Zero fleet case studies on their site tells you everything.
If you need general B2B prospecting, Ocean.io works but isn't best-in-class. Apollo, ZoomInfo, and Cognism all have deeper databases and stronger reviews. For more options and tactics, use these sales prospecting techniques and compare sales prospecting databases.
Here's the thing: if your average contract value is under $5K and you're selling into fleets, you probably don't need ProsperFleet's full database either. Start with FMCSA's public data and a good contact verification layer. Scale into ProsperFleet when your pipeline justifies the spend.
Making Fleet Contacts Actually Land
You've got the fleet list. Now make sure the emails arrive. In our experience, the biggest gap in fleet outbound isn't the list - it's deliverability. ProsperFleet's 90% accuracy guarantee is solid, but running exports through a dedicated verification layer catches the remaining bounces before they torch your sender reputation. If you want benchmarks and fixes, start with email bounce rate and the full email deliverability guide.


Whether you're pulling from ProsperFleet, FMCSA public data, or any fleet list, bad emails burn domains. Prospeo verifies emails with catch-all handling, spam-trap removal, and honeypot filtering - 75 free verifications/month, no contract.
Protect your domain. Verify every fleet contact before you send.

FAQ
Can Ocean.io replace ProsperFleet for fleet prospecting?
No. Ocean.io lacks DOT/MC identifiers, vehicle counts, fleet size ranges, and equipment-type filters - all essential for fleet sales workflows. It's a general B2B lookalike tool that can't surface the vehicle-level data your prospecting requires.
Does ProsperFleet work for non-fleet B2B prospecting?
It doesn't. ProsperFleet is purpose-built for the U.S. commercial fleet market - companies operating vehicles. If you sell SaaS or professional services to non-fleet companies, the database won't have what you need. Look at general B2B platforms instead.
What's the "safety@ inbox" problem with FMCSA-only lists?
FMCSA public data typically gives you a single generic email per company - often a "safety@" or "info@" address that nobody monitors. ProsperFleet provides multiple named contacts across the buying committee (fleet, maintenance, operations, safety, procurement), so outreach reaches actual decision-makers instead of dead inboxes.
How do I verify fleet contacts before sending outreach?
Run your ProsperFleet exports through a dedicated email verification tool before hitting send. Prospeo's Email Finder verifies addresses at 98% accuracy with a 7-day refresh cycle, catching bounces that even ProsperFleet's 90% guarantee misses - protecting your sender domain from reputation damage.
