Best-Kept Secrets? Jim Cramer Lists 6

CNBC's Jim Cramer is bullish on the industrial sector and presented six names that are both flying under-the-radar and are likely to be names that most investors have never heard of.

Related Link: Jim Cramer Says "Everything Is Pretty Rosy" When Oil Prices Rise

Here is the list of the six stocks Cramer recommends:

• 1. Albemarle Corporation ALB
• 2. AptarGroup, Inc. ATR
• 3. Carlisle Companies, Inc. CSL
• 4. Parker-Hannifin Corp PH
• 5. RPM International Inc. RPM
• 6. Rockwell Automation ROK

According to Cramer, all six of these companies are attractive to investors because they are all "vital to their customers."

"As the industrial environment improves, I bet that spells success for all of 2016," Cramer argued.